Home / 127,454.02-175,895.15-84,359.28

Finding the Fourth Proportional to 127,454.02, 175,895.15 and 84,359.28

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Solution

The fourth proportional to 127,454.02, 175,895.15 and 84,359.28 is: 116,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,454.02 : 175,895.15 = 84,359.28 : x
  2. Step 2: Convert to fraction form
    127,454.02/175,895.15 = 84,359.28/x
  3. Step 3: Cross multiply
    127,454.02x = 175,895.15 × 84,359.28
  4. Step 4: Simplify right side
    127,454.02x = 14,838,388,209.49
  5. Step 5: Solve for x
    x = 14,838,388,209.49/127,454.02
  6. Step 6: Final answer
    x = 116,421.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.