Home / 99,856.13-137,802.53-54,535.41

Finding the Fourth Proportional to 99,856.13, 137,802.53 and 54,535.41

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Solution

The fourth proportional to 99,856.13, 137,802.53 and 54,535.41 is: 75,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,856.13 : 137,802.53 = 54,535.41 : x
  2. Step 2: Convert to fraction form
    99,856.13/137,802.53 = 54,535.41/x
  3. Step 3: Cross multiply
    99,856.13x = 137,802.53 × 54,535.41
  4. Step 4: Simplify right side
    99,856.13x = 7,515,117,608.93
  5. Step 5: Solve for x
    x = 7,515,117,608.93/99,856.13
  6. Step 6: Final answer
    x = 75,259.46

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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.