Home / 142,519.11-214,109.55-134,866.50

Finding the Fourth Proportional to 142,519.11, 214,109.55 and 134,866.50

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Solution

The fourth proportional to 142,519.11, 214,109.55 and 134,866.50 is: 202,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,519.11 : 214,109.55 = 134,866.50 : x
  2. Step 2: Convert to fraction form
    142,519.11/214,109.55 = 134,866.50/x
  3. Step 3: Cross multiply
    142,519.11x = 214,109.55 × 134,866.50
  4. Step 4: Simplify right side
    142,519.11x = 28,876,205,625.08
  5. Step 5: Solve for x
    x = 28,876,205,625.08/142,519.11
  6. Step 6: Final answer
    x = 202,612.87

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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.