Home / 102,744.72-141,566.40-69,152.40

Finding the Fourth Proportional to 102,744.72, 141,566.40 and 69,152.40

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Solution

The fourth proportional to 102,744.72, 141,566.40 and 69,152.40 is: 95,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,744.72 : 141,566.40 = 69,152.40 : x
  2. Step 2: Convert to fraction form
    102,744.72/141,566.40 = 69,152.40/x
  3. Step 3: Cross multiply
    102,744.72x = 141,566.40 × 69,152.40
  4. Step 4: Simplify right side
    102,744.72x = 9,789,656,319.36
  5. Step 5: Solve for x
    x = 9,789,656,319.36/102,744.72
  6. Step 6: Final answer
    x = 95,281.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.