Home / 127,701.18-176,227.63-74,017.34

Finding the Fourth Proportional to 127,701.18, 176,227.63 and 74,017.34

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Solution

The fourth proportional to 127,701.18, 176,227.63 and 74,017.34 is: 102,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,701.18 : 176,227.63 = 74,017.34 : x
  2. Step 2: Convert to fraction form
    127,701.18/176,227.63 = 74,017.34/x
  3. Step 3: Cross multiply
    127,701.18x = 176,227.63 × 74,017.34
  4. Step 4: Simplify right side
    127,701.18x = 13,043,900,407.10
  5. Step 5: Solve for x
    x = 13,043,900,407.10/127,701.18
  6. Step 6: Final answer
    x = 102,143.93

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