Home / 122,517.47-169,068.87-71,533.03

Finding the Fourth Proportional to 122,517.47, 169,068.87 and 71,533.03

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Solution

The fourth proportional to 122,517.47, 169,068.87 and 71,533.03 is: 98,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,517.47 : 169,068.87 = 71,533.03 : x
  2. Step 2: Convert to fraction form
    122,517.47/169,068.87 = 71,533.03/x
  3. Step 3: Cross multiply
    122,517.47x = 169,068.87 × 71,533.03
  4. Step 4: Simplify right side
    122,517.47x = 12,094,008,549.78
  5. Step 5: Solve for x
    x = 12,094,008,549.78/122,517.47
  6. Step 6: Final answer
    x = 98,712.52

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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.