Home / 99,505.74-137,315.95-54,184.26

Finding the Fourth Proportional to 99,505.74, 137,315.95 and 54,184.26

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Solution

The fourth proportional to 99,505.74, 137,315.95 and 54,184.26 is: 74,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,505.74 : 137,315.95 = 54,184.26 : x
  2. Step 2: Convert to fraction form
    99,505.74/137,315.95 = 54,184.26/x
  3. Step 3: Cross multiply
    99,505.74x = 137,315.95 × 54,184.26
  4. Step 4: Simplify right side
    99,505.74x = 7,440,363,821.21
  5. Step 5: Solve for x
    x = 7,440,363,821.21/99,505.74
  6. Step 6: Final answer
    x = 74,773.21

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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.