Home / 180,445.15-270,544.71-91,527.20

Finding the Fourth Proportional to 180,445.15, 270,544.71 and 91,527.20

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Solution

The fourth proportional to 180,445.15, 270,544.71 and 91,527.20 is: 137,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,445.15 : 270,544.71 = 91,527.20 : x
  2. Step 2: Convert to fraction form
    180,445.15/270,544.71 = 91,527.20/x
  3. Step 3: Cross multiply
    180,445.15x = 270,544.71 × 91,527.20
  4. Step 4: Simplify right side
    180,445.15x = 24,762,199,781.11
  5. Step 5: Solve for x
    x = 24,762,199,781.11/180,445.15
  6. Step 6: Final answer
    x = 137,228.40

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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.