Home / 142,169.04-213,148.22-67,201.59

Finding the Fourth Proportional to 142,169.04, 213,148.22 and 67,201.59

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Solution

The fourth proportional to 142,169.04, 213,148.22 and 67,201.59 is: 100,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,169.04 : 213,148.22 = 67,201.59 : x
  2. Step 2: Convert to fraction form
    142,169.04/213,148.22 = 67,201.59/x
  3. Step 3: Cross multiply
    142,169.04x = 213,148.22 × 67,201.59
  4. Step 4: Simplify right side
    142,169.04x = 14,323,899,289.67
  5. Step 5: Solve for x
    x = 14,323,899,289.67/142,169.04
  6. Step 6: Final answer
    x = 100,752.59

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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.