Home / 127,455.02-175,896.53-84,360.28

Finding the Fourth Proportional to 127,455.02, 175,896.53 and 84,360.28

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Solution

The fourth proportional to 127,455.02, 175,896.53 and 84,360.28 is: 116,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,455.02 : 175,896.53 = 84,360.28 : x
  2. Step 2: Convert to fraction form
    127,455.02/175,896.53 = 84,360.28/x
  3. Step 3: Cross multiply
    127,455.02x = 175,896.53 × 84,360.28
  4. Step 4: Simplify right side
    127,455.02x = 14,838,680,521.83
  5. Step 5: Solve for x
    x = 14,838,680,521.83/127,455.02
  6. Step 6: Final answer
    x = 116,422.88

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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.