Home / 191,575.81-287,381.03-73,248.18

Finding the Fourth Proportional to 191,575.81, 287,381.03 and 73,248.18

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Solution

The fourth proportional to 191,575.81, 287,381.03 and 73,248.18 is: 109,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,575.81 : 287,381.03 = 73,248.18 : x
  2. Step 2: Convert to fraction form
    191,575.81/287,381.03 = 73,248.18/x
  3. Step 3: Cross multiply
    191,575.81x = 287,381.03 × 73,248.18
  4. Step 4: Simplify right side
    191,575.81x = 21,050,137,414.03
  5. Step 5: Solve for x
    x = 21,050,137,414.03/191,575.81
  6. Step 6: Final answer
    x = 109,878.89

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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.