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Finding the Fourth Proportional to 101,773.67, 140,464.47 and 56,466.23

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Solution

The fourth proportional to 101,773.67, 140,464.47 and 56,466.23 is: 77,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,773.67 : 140,464.47 = 56,466.23 : x
  2. Step 2: Convert to fraction form
    101,773.67/140,464.47 = 56,466.23/x
  3. Step 3: Cross multiply
    101,773.67x = 140,464.47 × 56,466.23
  4. Step 4: Simplify right side
    101,773.67x = 7,931,498,367.53
  5. Step 5: Solve for x
    x = 7,931,498,367.53/101,773.67
  6. Step 6: Final answer
    x = 77,932.72

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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.