Home / 188,432.16-260,036.38-103,549.22

Finding the Fourth Proportional to 188,432.16, 260,036.38 and 103,549.22

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Solution

The fourth proportional to 188,432.16, 260,036.38 and 103,549.22 is: 142,897.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,432.16 : 260,036.38 = 103,549.22 : x
  2. Step 2: Convert to fraction form
    188,432.16/260,036.38 = 103,549.22/x
  3. Step 3: Cross multiply
    188,432.16x = 260,036.38 × 103,549.22
  4. Step 4: Simplify right side
    188,432.16x = 26,926,563,542.55
  5. Step 5: Solve for x
    x = 26,926,563,542.55/188,432.16
  6. Step 6: Final answer
    x = 142,897.92

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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.