Home / 139,962.47-209,937.33-45,197.03

Finding the Fourth Proportional to 139,962.47, 209,937.33 and 45,197.03

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Solution

The fourth proportional to 139,962.47, 209,937.33 and 45,197.03 is: 67,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,962.47 : 209,937.33 = 45,197.03 : x
  2. Step 2: Convert to fraction form
    139,962.47/209,937.33 = 45,197.03/x
  3. Step 3: Cross multiply
    139,962.47x = 209,937.33 × 45,197.03
  4. Step 4: Simplify right side
    139,962.47x = 9,488,543,802.13
  5. Step 5: Solve for x
    x = 9,488,543,802.13/139,962.47
  6. Step 6: Final answer
    x = 67,793.49

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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.