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Finding the Fourth Proportional to 152,223.61, 210,063.40 and 84,243.45

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Solution

The fourth proportional to 152,223.61, 210,063.40 and 84,243.45 is: 116,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,223.61 : 210,063.40 = 84,243.45 : x
  2. Step 2: Convert to fraction form
    152,223.61/210,063.40 = 84,243.45/x
  3. Step 3: Cross multiply
    152,223.61x = 210,063.40 × 84,243.45
  4. Step 4: Simplify right side
    152,223.61x = 17,696,465,534.73
  5. Step 5: Solve for x
    x = 17,696,465,534.73/152,223.61
  6. Step 6: Final answer
    x = 116,253.09

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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.