Home / 134,155.90-201,233.85-120,159.10

Finding the Fourth Proportional to 134,155.90, 201,233.85 and 120,159.10

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Solution

The fourth proportional to 134,155.90, 201,233.85 and 120,159.10 is: 180,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,155.90 : 201,233.85 = 120,159.10 : x
  2. Step 2: Convert to fraction form
    134,155.90/201,233.85 = 120,159.10/x
  3. Step 3: Cross multiply
    134,155.90x = 201,233.85 × 120,159.10
  4. Step 4: Simplify right side
    134,155.90x = 24,180,078,305.54
  5. Step 5: Solve for x
    x = 24,180,078,305.54/134,155.90
  6. Step 6: Final answer
    x = 180,238.65

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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.