Home / 127,548.90-191,159.33-77,575.95

Finding the Fourth Proportional to 127,548.90, 191,159.33 and 77,575.95

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Solution

The fourth proportional to 127,548.90, 191,159.33 and 77,575.95 is: 116,264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,548.90 : 191,159.33 = 77,575.95 : x
  2. Step 2: Convert to fraction form
    127,548.90/191,159.33 = 77,575.95/x
  3. Step 3: Cross multiply
    127,548.90x = 191,159.33 × 77,575.95
  4. Step 4: Simplify right side
    127,548.90x = 14,829,366,238.23
  5. Step 5: Solve for x
    x = 14,829,366,238.23/127,548.90
  6. Step 6: Final answer
    x = 116,264.16

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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.