Home / 88,864.90-133,038.15-79,533.70

Finding the Fourth Proportional to 88,864.90, 133,038.15 and 79,533.70

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Solution

The fourth proportional to 88,864.90, 133,038.15 and 79,533.70 is: 119,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,864.90 : 133,038.15 = 79,533.70 : x
  2. Step 2: Convert to fraction form
    88,864.90/133,038.15 = 79,533.70/x
  3. Step 3: Cross multiply
    88,864.90x = 133,038.15 × 79,533.70
  4. Step 4: Simplify right side
    88,864.90x = 10,581,016,310.66
  5. Step 5: Solve for x
    x = 10,581,016,310.66/88,864.90
  6. Step 6: Final answer
    x = 119,068.57

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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.