Home / 135,493.32-186,966.12-75,062.40

Finding the Fourth Proportional to 135,493.32, 186,966.12 and 75,062.40

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Solution

The fourth proportional to 135,493.32, 186,966.12 and 75,062.40 is: 103,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,493.32 : 186,966.12 = 75,062.40 : x
  2. Step 2: Convert to fraction form
    135,493.32/186,966.12 = 75,062.40/x
  3. Step 3: Cross multiply
    135,493.32x = 186,966.12 × 75,062.40
  4. Step 4: Simplify right side
    135,493.32x = 14,034,125,685.89
  5. Step 5: Solve for x
    x = 14,034,125,685.89/135,493.32
  6. Step 6: Final answer
    x = 103,577.99

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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.