Home / 122,591.26-169,126.95-77,257.18

Finding the Fourth Proportional to 122,591.26, 169,126.95 and 77,257.18

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Solution

The fourth proportional to 122,591.26, 169,126.95 and 77,257.18 is: 106,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,591.26 : 169,126.95 = 77,257.18 : x
  2. Step 2: Convert to fraction form
    122,591.26/169,126.95 = 77,257.18/x
  3. Step 3: Cross multiply
    122,591.26x = 169,126.95 × 77,257.18
  4. Step 4: Simplify right side
    122,591.26x = 13,066,271,219.00
  5. Step 5: Solve for x
    x = 13,066,271,219.00/122,591.26
  6. Step 6: Final answer
    x = 106,584.04

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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.