Home / 122,875.47-169,534.22-69,157.35

Finding the Fourth Proportional to 122,875.47, 169,534.22 and 69,157.35

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Solution

The fourth proportional to 122,875.47, 169,534.22 and 69,157.35 is: 95,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,875.47 : 169,534.22 = 69,157.35 : x
  2. Step 2: Convert to fraction form
    122,875.47/169,534.22 = 69,157.35/x
  3. Step 3: Cross multiply
    122,875.47x = 169,534.22 × 69,157.35
  4. Step 4: Simplify right side
    122,875.47x = 11,724,537,043.73
  5. Step 5: Solve for x
    x = 11,724,537,043.73/122,875.47
  6. Step 6: Final answer
    x = 95,418.04

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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.