Home / 122,845.02-169,512.39-69,148.50

Finding the Fourth Proportional to 122,845.02, 169,512.39 and 69,148.50

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Solution

The fourth proportional to 122,845.02, 169,512.39 and 69,148.50 is: 95,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,845.02 : 169,512.39 = 69,148.50 : x
  2. Step 2: Convert to fraction form
    122,845.02/169,512.39 = 69,148.50/x
  3. Step 3: Cross multiply
    122,845.02x = 169,512.39 × 69,148.50
  4. Step 4: Simplify right side
    122,845.02x = 11,721,527,499.92
  5. Step 5: Solve for x
    x = 11,721,527,499.92/122,845.02
  6. Step 6: Final answer
    x = 95,417.20

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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.