Home / 127,892.40-176,486.04-71,303.28

Finding the Fourth Proportional to 127,892.40, 176,486.04 and 71,303.28

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Solution

The fourth proportional to 127,892.40, 176,486.04 and 71,303.28 is: 98,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,892.40 : 176,486.04 = 71,303.28 : x
  2. Step 2: Convert to fraction form
    127,892.40/176,486.04 = 71,303.28/x
  3. Step 3: Cross multiply
    127,892.40x = 176,486.04 × 71,303.28
  4. Step 4: Simplify right side
    127,892.40x = 12,584,033,526.21
  5. Step 5: Solve for x
    x = 12,584,033,526.21/127,892.40
  6. Step 6: Final answer
    x = 98,395.48

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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.