Home / 102,001.48-140,757.45-56,679.24

Finding the Fourth Proportional to 102,001.48, 140,757.45 and 56,679.24

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Solution

The fourth proportional to 102,001.48, 140,757.45 and 56,679.24 is: 78,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,001.48 : 140,757.45 = 56,679.24 : x
  2. Step 2: Convert to fraction form
    102,001.48/140,757.45 = 56,679.24/x
  3. Step 3: Cross multiply
    102,001.48x = 140,757.45 × 56,679.24
  4. Step 4: Simplify right side
    102,001.48x = 7,978,025,605.63
  5. Step 5: Solve for x
    x = 7,978,025,605.63/102,001.48
  6. Step 6: Final answer
    x = 78,214.80

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1.5x scale

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.