Home / 99,032.28-148,642.74-61,478.70

Finding the Fourth Proportional to 99,032.28, 148,642.74 and 61,478.70

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Solution

The fourth proportional to 99,032.28, 148,642.74 and 61,478.70 is: 92,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,032.28 : 148,642.74 = 61,478.70 : x
  2. Step 2: Convert to fraction form
    99,032.28/148,642.74 = 61,478.70/x
  3. Step 3: Cross multiply
    99,032.28x = 148,642.74 × 61,478.70
  4. Step 4: Simplify right side
    99,032.28x = 9,138,362,419.64
  5. Step 5: Solve for x
    x = 9,138,362,419.64/99,032.28
  6. Step 6: Final answer
    x = 92,276.60

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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.