Home / 83,434.74-125,152.16-20,254.96

Finding the Fourth Proportional to 83,434.74, 125,152.16 and 20,254.96

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Solution

The fourth proportional to 83,434.74, 125,152.16 and 20,254.96 is: 30,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,434.74 : 125,152.16 = 20,254.96 : x
  2. Step 2: Convert to fraction form
    83,434.74/125,152.16 = 20,254.96/x
  3. Step 3: Cross multiply
    83,434.74x = 125,152.16 × 20,254.96
  4. Step 4: Simplify right side
    83,434.74x = 2,534,951,994.71
  5. Step 5: Solve for x
    x = 2,534,951,994.71/83,434.74
  6. Step 6: Final answer
    x = 30,382.45

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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.