Home / 101,654.20-140,283.62-56,332.94

Finding the Fourth Proportional to 101,654.20, 140,283.62 and 56,332.94

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Solution

The fourth proportional to 101,654.20, 140,283.62 and 56,332.94 is: 77,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,654.20 : 140,283.62 = 56,332.94 : x
  2. Step 2: Convert to fraction form
    101,654.20/140,283.62 = 56,332.94/x
  3. Step 3: Cross multiply
    101,654.20x = 140,283.62 × 56,332.94
  4. Step 4: Simplify right side
    101,654.20x = 7,902,588,748.44
  5. Step 5: Solve for x
    x = 7,902,588,748.44/101,654.20
  6. Step 6: Final answer
    x = 77,739.91

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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.