Home / 134,139.90-201,209.85-132,390.30

Finding the Fourth Proportional to 134,139.90, 201,209.85 and 132,390.30

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Solution

The fourth proportional to 134,139.90, 201,209.85 and 132,390.30 is: 198,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,139.90 : 201,209.85 = 132,390.30 : x
  2. Step 2: Convert to fraction form
    134,139.90/201,209.85 = 132,390.30/x
  3. Step 3: Cross multiply
    134,139.90x = 201,209.85 × 132,390.30
  4. Step 4: Simplify right side
    134,139.90x = 26,638,232,404.46
  5. Step 5: Solve for x
    x = 26,638,232,404.46/134,139.90
  6. Step 6: Final answer
    x = 198,585.45

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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.