Home / 127,957.13-191,780.03-90,527.99

Finding the Fourth Proportional to 127,957.13, 191,780.03 and 90,527.99

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Solution

The fourth proportional to 127,957.13, 191,780.03 and 90,527.99 is: 135,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,957.13 : 191,780.03 = 90,527.99 : x
  2. Step 2: Convert to fraction form
    127,957.13/191,780.03 = 90,527.99/x
  3. Step 3: Cross multiply
    127,957.13x = 191,780.03 × 90,527.99
  4. Step 4: Simplify right side
    127,957.13x = 17,361,460,638.04
  5. Step 5: Solve for x
    x = 17,361,460,638.04/127,957.13
  6. Step 6: Final answer
    x = 135,681.85

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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.