Home / 127,708.63-176,225.29-71,125.27

Finding the Fourth Proportional to 127,708.63, 176,225.29 and 71,125.27

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Solution

The fourth proportional to 127,708.63, 176,225.29 and 71,125.27 is: 98,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,708.63 : 176,225.29 = 71,125.27 : x
  2. Step 2: Convert to fraction form
    127,708.63/176,225.29 = 71,125.27/x
  3. Step 3: Cross multiply
    127,708.63x = 176,225.29 × 71,125.27
  4. Step 4: Simplify right side
    127,708.63x = 12,534,071,332.08
  5. Step 5: Solve for x
    x = 12,534,071,332.08/127,708.63
  6. Step 6: Final answer
    x = 98,145.84

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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.