Home / 63,154.04-94,731.15-18,781.22

Finding the Fourth Proportional to 63,154.04, 94,731.15 and 18,781.22

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Solution

The fourth proportional to 63,154.04, 94,731.15 and 18,781.22 is: 28,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154.04 : 94,731.15 = 18,781.22 : x
  2. Step 2: Convert to fraction form
    63,154.04/94,731.15 = 18,781.22/x
  3. Step 3: Cross multiply
    63,154.04x = 94,731.15 × 18,781.22
  4. Step 4: Simplify right side
    63,154.04x = 1,779,166,095.35
  5. Step 5: Solve for x
    x = 1,779,166,095.35/63,154.04
  6. Step 6: Final answer
    x = 28,171.85

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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.