Home / 159,277.18-219,711.08-99,557.50

Finding the Fourth Proportional to 159,277.18, 219,711.08 and 99,557.50

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Solution

The fourth proportional to 159,277.18, 219,711.08 and 99,557.50 is: 137,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,277.18 : 219,711.08 = 99,557.50 : x
  2. Step 2: Convert to fraction form
    159,277.18/219,711.08 = 99,557.50/x
  3. Step 3: Cross multiply
    159,277.18x = 219,711.08 × 99,557.50
  4. Step 4: Simplify right side
    159,277.18x = 21,873,885,847.10
  5. Step 5: Solve for x
    x = 21,873,885,847.10/159,277.18
  6. Step 6: Final answer
    x = 137,332.20

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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.