Home / 148,927.98-223,337.88-81,509.86

Finding the Fourth Proportional to 148,927.98, 223,337.88 and 81,509.86

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Solution

The fourth proportional to 148,927.98, 223,337.88 and 81,509.86 is: 122,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,927.98 : 223,337.88 = 81,509.86 : x
  2. Step 2: Convert to fraction form
    148,927.98/223,337.88 = 81,509.86/x
  3. Step 3: Cross multiply
    148,927.98x = 223,337.88 × 81,509.86
  4. Step 4: Simplify right side
    148,927.98x = 18,204,239,331.50
  5. Step 5: Solve for x
    x = 18,204,239,331.50/148,927.98
  6. Step 6: Final answer
    x = 122,235.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.