Home / 99,887.61-137,847.87-54,566.35

Finding the Fourth Proportional to 99,887.61, 137,847.87 and 54,566.35

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Solution

The fourth proportional to 99,887.61, 137,847.87 and 54,566.35 is: 75,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,887.61 : 137,847.87 = 54,566.35 : x
  2. Step 2: Convert to fraction form
    99,887.61/137,847.87 = 54,566.35/x
  3. Step 3: Cross multiply
    99,887.61x = 137,847.87 × 54,566.35
  4. Step 4: Simplify right side
    99,887.61x = 7,521,854,431.94
  5. Step 5: Solve for x
    x = 7,521,854,431.94/99,887.61
  6. Step 6: Final answer
    x = 75,303.18

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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.