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Finding the Fourth Proportional to 101,464.79, 140,001.50 and 56,134.30

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Solution

The fourth proportional to 101,464.79, 140,001.50 and 56,134.30 is: 77,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,464.79 : 140,001.50 = 56,134.30 : x
  2. Step 2: Convert to fraction form
    101,464.79/140,001.50 = 56,134.30/x
  3. Step 3: Cross multiply
    101,464.79x = 140,001.50 × 56,134.30
  4. Step 4: Simplify right side
    101,464.79x = 7,858,885,938.53
  5. Step 5: Solve for x
    x = 7,858,885,938.53/101,464.79
  6. Step 6: Final answer
    x = 77,454.32

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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.