Home / 133,148.61-183,746.33-75,785.12

Finding the Fourth Proportional to 133,148.61, 183,746.33 and 75,785.12

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Solution

The fourth proportional to 133,148.61, 183,746.33 and 75,785.12 is: 104,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,148.61 : 183,746.33 = 75,785.12 : x
  2. Step 2: Convert to fraction form
    133,148.61/183,746.33 = 75,785.12/x
  3. Step 3: Cross multiply
    133,148.61x = 183,746.33 × 75,785.12
  4. Step 4: Simplify right side
    133,148.61x = 13,925,236,370.95
  5. Step 5: Solve for x
    x = 13,925,236,370.95/133,148.61
  6. Step 6: Final answer
    x = 104,584.17

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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.