Home / 136,421.90-204,632.85-124,612.10

Finding the Fourth Proportional to 136,421.90, 204,632.85 and 124,612.10

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Solution

The fourth proportional to 136,421.90, 204,632.85 and 124,612.10 is: 186,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,421.90 : 204,632.85 = 124,612.10 : x
  2. Step 2: Convert to fraction form
    136,421.90/204,632.85 = 124,612.10/x
  3. Step 3: Cross multiply
    136,421.90x = 204,632.85 × 124,612.10
  4. Step 4: Simplify right side
    136,421.90x = 25,499,729,167.49
  5. Step 5: Solve for x
    x = 25,499,729,167.49/136,421.90
  6. Step 6: Final answer
    x = 186,918.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.