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Finding the Fourth Proportional to 133,243.92, 183,792.06 and 101,342.88

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Solution

The fourth proportional to 133,243.92, 183,792.06 and 101,342.88 is: 139,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,243.92 : 183,792.06 = 101,342.88 : x
  2. Step 2: Convert to fraction form
    133,243.92/183,792.06 = 101,342.88/x
  3. Step 3: Cross multiply
    133,243.92x = 183,792.06 × 101,342.88
  4. Step 4: Simplify right side
    133,243.92x = 18,626,016,681.53
  5. Step 5: Solve for x
    x = 18,626,016,681.53/133,243.92
  6. Step 6: Final answer
    x = 139,788.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.