Home / 122,581.46-169,146.95-71,582.24

Finding the Fourth Proportional to 122,581.46, 169,146.95 and 71,582.24

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Solution

The fourth proportional to 122,581.46, 169,146.95 and 71,582.24 is: 98,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,581.46 : 169,146.95 = 71,582.24 : x
  2. Step 2: Convert to fraction form
    122,581.46/169,146.95 = 71,582.24/x
  3. Step 3: Cross multiply
    122,581.46x = 169,146.95 × 71,582.24
  4. Step 4: Simplify right side
    122,581.46x = 12,107,916,366.52
  5. Step 5: Solve for x
    x = 12,107,916,366.52/122,581.46
  6. Step 6: Final answer
    x = 98,774.45

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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.