Home / 75,434.40-113,151.60-40,442.40

Finding the Fourth Proportional to 75,434.40, 113,151.60 and 40,442.40

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Solution

The fourth proportional to 75,434.40, 113,151.60 and 40,442.40 is: 60,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,434.40 : 113,151.60 = 40,442.40 : x
  2. Step 2: Convert to fraction form
    75,434.40/113,151.60 = 40,442.40/x
  3. Step 3: Cross multiply
    75,434.40x = 113,151.60 × 40,442.40
  4. Step 4: Simplify right side
    75,434.40x = 4,576,122,267.84
  5. Step 5: Solve for x
    x = 4,576,122,267.84/75,434.40
  6. Step 6: Final answer
    x = 60,663.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.