Home / 127,892.03-176,490.63-74,208.47

Finding the Fourth Proportional to 127,892.03, 176,490.63 and 74,208.47

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Solution

The fourth proportional to 127,892.03, 176,490.63 and 74,208.47 is: 102,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,892.03 : 176,490.63 = 74,208.47 : x
  2. Step 2: Convert to fraction form
    127,892.03/176,490.63 = 74,208.47/x
  3. Step 3: Cross multiply
    127,892.03x = 176,490.63 × 74,208.47
  4. Step 4: Simplify right side
    127,892.03x = 13,097,098,739.18
  5. Step 5: Solve for x
    x = 13,097,098,739.18/127,892.03
  6. Step 6: Final answer
    x = 102,407.47

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1.5x scale

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.