Home / 122,814.46-169,482.27-71,862.22

Finding the Fourth Proportional to 122,814.46, 169,482.27 and 71,862.22

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Solution

The fourth proportional to 122,814.46, 169,482.27 and 71,862.22 is: 99,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,814.46 : 169,482.27 = 71,862.22 : x
  2. Step 2: Convert to fraction form
    122,814.46/169,482.27 = 71,862.22/x
  3. Step 3: Cross multiply
    122,814.46x = 169,482.27 × 71,862.22
  4. Step 4: Simplify right side
    122,814.46x = 12,179,372,172.84
  5. Step 5: Solve for x
    x = 12,179,372,172.84/122,814.46
  6. Step 6: Final answer
    x = 99,168.88

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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.