Home / 210,252.60-290,186.20-125,375.13

Finding the Fourth Proportional to 210,252.60, 290,186.20 and 125,375.13

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Solution

The fourth proportional to 210,252.60, 290,186.20 and 125,375.13 is: 173,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,252.60 : 290,186.20 = 125,375.13 : x
  2. Step 2: Convert to fraction form
    210,252.60/290,186.20 = 125,375.13/x
  3. Step 3: Cross multiply
    210,252.60x = 290,186.20 × 125,375.13
  4. Step 4: Simplify right side
    210,252.60x = 36,382,132,549.21
  5. Step 5: Solve for x
    x = 36,382,132,549.21/210,252.60
  6. Step 6: Final answer
    x = 173,040.11

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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.