Home / 177,701.28-245,221.07-97,128.15

Finding the Fourth Proportional to 177,701.28, 245,221.07 and 97,128.15

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Solution

The fourth proportional to 177,701.28, 245,221.07 and 97,128.15 is: 134,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,701.28 : 245,221.07 = 97,128.15 : x
  2. Step 2: Convert to fraction form
    177,701.28/245,221.07 = 97,128.15/x
  3. Step 3: Cross multiply
    177,701.28x = 245,221.07 × 97,128.15
  4. Step 4: Simplify right side
    177,701.28x = 23,817,868,384.48
  5. Step 5: Solve for x
    x = 23,817,868,384.48/177,701.28
  6. Step 6: Final answer
    x = 134,033.18

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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.