Home / 141,158.76-211,825.92-87,955.20

Finding the Fourth Proportional to 141,158.76, 211,825.92 and 87,955.20

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Solution

The fourth proportional to 141,158.76, 211,825.92 and 87,955.20 is: 131,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,158.76 : 211,825.92 = 87,955.20 : x
  2. Step 2: Convert to fraction form
    141,158.76/211,825.92 = 87,955.20/x
  3. Step 3: Cross multiply
    141,158.76x = 211,825.92 × 87,955.20
  4. Step 4: Simplify right side
    141,158.76x = 18,631,191,158.78
  5. Step 5: Solve for x
    x = 18,631,191,158.78/141,158.76
  6. Step 6: Final answer
    x = 131,987.50

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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.