Home / 94,172.40-129,959.28-51,730.56

Finding the Fourth Proportional to 94,172.40, 129,959.28 and 51,730.56

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Solution

The fourth proportional to 94,172.40, 129,959.28 and 51,730.56 is: 71,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,172.40 : 129,959.28 = 51,730.56 : x
  2. Step 2: Convert to fraction form
    94,172.40/129,959.28 = 51,730.56/x
  3. Step 3: Cross multiply
    94,172.40x = 129,959.28 × 51,730.56
  4. Step 4: Simplify right side
    94,172.40x = 6,722,866,331.60
  5. Step 5: Solve for x
    x = 6,722,866,331.60/94,172.40
  6. Step 6: Final answer
    x = 71,388.92

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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.