Home / 129,731.60-194,545.32-63,152.32

Finding the Fourth Proportional to 129,731.60, 194,545.32 and 63,152.32

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Solution

The fourth proportional to 129,731.60, 194,545.32 and 63,152.32 is: 94,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,731.60 : 194,545.32 = 63,152.32 : x
  2. Step 2: Convert to fraction form
    129,731.60/194,545.32 = 63,152.32/x
  3. Step 3: Cross multiply
    129,731.60x = 194,545.32 × 63,152.32
  4. Step 4: Simplify right side
    129,731.60x = 12,285,988,303.14
  5. Step 5: Solve for x
    x = 12,285,988,303.14/129,731.60
  6. Step 6: Final answer
    x = 94,703.13

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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.