Home / 131,443.04-197,085.60-51,385.65

Finding the Fourth Proportional to 131,443.04, 197,085.60 and 51,385.65

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Solution

The fourth proportional to 131,443.04, 197,085.60 and 51,385.65 is: 77,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,443.04 : 197,085.60 = 51,385.65 : x
  2. Step 2: Convert to fraction form
    131,443.04/197,085.60 = 51,385.65/x
  3. Step 3: Cross multiply
    131,443.04x = 197,085.60 × 51,385.65
  4. Step 4: Simplify right side
    131,443.04x = 10,127,371,332.35
  5. Step 5: Solve for x
    x = 10,127,371,332.35/131,443.04
  6. Step 6: Final answer
    x = 77,047.61

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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.