Home / 122,807.28-169,461.98-69,091.14

Finding the Fourth Proportional to 122,807.28, 169,461.98 and 69,091.14

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Solution

The fourth proportional to 122,807.28, 169,461.98 and 69,091.14 is: 95,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,807.28 : 169,461.98 = 69,091.14 : x
  2. Step 2: Convert to fraction form
    122,807.28/169,461.98 = 69,091.14/x
  3. Step 3: Cross multiply
    122,807.28x = 169,461.98 × 69,091.14
  4. Step 4: Simplify right side
    122,807.28x = 11,708,321,384.86
  5. Step 5: Solve for x
    x = 11,708,321,384.86/122,807.28
  6. Step 6: Final answer
    x = 95,338.98

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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.