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Finding the Fourth Proportional to 101,463.60, 140,007.77 and 56,135.59

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Solution

The fourth proportional to 101,463.60, 140,007.77 and 56,135.59 is: 77,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,463.60 : 140,007.77 = 56,135.59 : x
  2. Step 2: Convert to fraction form
    101,463.60/140,007.77 = 56,135.59/x
  3. Step 3: Cross multiply
    101,463.60x = 140,007.77 × 56,135.59
  4. Step 4: Simplify right side
    101,463.60x = 7,859,418,492.86
  5. Step 5: Solve for x
    x = 7,859,418,492.86/101,463.60
  6. Step 6: Final answer
    x = 77,460.48

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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.