Home / 107,132.16-147,840.03-59,385.09

Finding the Fourth Proportional to 107,132.16, 147,840.03 and 59,385.09

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Solution

The fourth proportional to 107,132.16, 147,840.03 and 59,385.09 is: 81,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,132.16 : 147,840.03 = 59,385.09 : x
  2. Step 2: Convert to fraction form
    107,132.16/147,840.03 = 59,385.09/x
  3. Step 3: Cross multiply
    107,132.16x = 147,840.03 × 59,385.09
  4. Step 4: Simplify right side
    107,132.16x = 8,779,493,487.15
  5. Step 5: Solve for x
    x = 8,779,493,487.15/107,132.16
  6. Step 6: Final answer
    x = 81,950.12

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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.