Home / 102,437.31-153,654.14-39,240.30

Finding the Fourth Proportional to 102,437.31, 153,654.14 and 39,240.30

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Solution

The fourth proportional to 102,437.31, 153,654.14 and 39,240.30 is: 58,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,437.31 : 153,654.14 = 39,240.30 : x
  2. Step 2: Convert to fraction form
    102,437.31/153,654.14 = 39,240.30/x
  3. Step 3: Cross multiply
    102,437.31x = 153,654.14 × 39,240.30
  4. Step 4: Simplify right side
    102,437.31x = 6,029,434,353.64
  5. Step 5: Solve for x
    x = 6,029,434,353.64/102,437.31
  6. Step 6: Final answer
    x = 58,859.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.