Home / 127,686.09-191,521.85-48,808.29

Finding the Fourth Proportional to 127,686.09, 191,521.85 and 48,808.29

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Solution

The fourth proportional to 127,686.09, 191,521.85 and 48,808.29 is: 73,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,686.09 : 191,521.85 = 48,808.29 : x
  2. Step 2: Convert to fraction form
    127,686.09/191,521.85 = 48,808.29/x
  3. Step 3: Cross multiply
    127,686.09x = 191,521.85 × 48,808.29
  4. Step 4: Simplify right side
    127,686.09x = 9,347,853,752.10
  5. Step 5: Solve for x
    x = 9,347,853,752.10/127,686.09
  6. Step 6: Final answer
    x = 73,209.65

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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.