Home / 99,466.29-137,265.23-54,145.57

Finding the Fourth Proportional to 99,466.29, 137,265.23 and 54,145.57

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Solution

The fourth proportional to 99,466.29, 137,265.23 and 54,145.57 is: 74,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,466.29 : 137,265.23 = 54,145.57 : x
  2. Step 2: Convert to fraction form
    99,466.29/137,265.23 = 54,145.57/x
  3. Step 3: Cross multiply
    99,466.29x = 137,265.23 × 54,145.57
  4. Step 4: Simplify right side
    99,466.29x = 7,432,304,119.53
  5. Step 5: Solve for x
    x = 7,432,304,119.53/99,466.29
  6. Step 6: Final answer
    x = 74,721.84

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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.