Home / 141,012.72-211,331.16-74,437.20

Finding the Fourth Proportional to 141,012.72, 211,331.16 and 74,437.20

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Solution

The fourth proportional to 141,012.72, 211,331.16 and 74,437.20 is: 111,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,012.72 : 211,331.16 = 74,437.20 : x
  2. Step 2: Convert to fraction form
    141,012.72/211,331.16 = 74,437.20/x
  3. Step 3: Cross multiply
    141,012.72x = 211,331.16 × 74,437.20
  4. Step 4: Simplify right side
    141,012.72x = 15,730,899,823.15
  5. Step 5: Solve for x
    x = 15,730,899,823.15/141,012.72
  6. Step 6: Final answer
    x = 111,556.60

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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.