Home / 142,267.24-195,762.18-137,938.60

Finding the Fourth Proportional to 142,267.24, 195,762.18 and 137,938.60

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Solution

The fourth proportional to 142,267.24, 195,762.18 and 137,938.60 is: 189,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,267.24 : 195,762.18 = 137,938.60 : x
  2. Step 2: Convert to fraction form
    142,267.24/195,762.18 = 137,938.60/x
  3. Step 3: Cross multiply
    142,267.24x = 195,762.18 × 137,938.60
  4. Step 4: Simplify right side
    142,267.24x = 27,003,161,042.15
  5. Step 5: Solve for x
    x = 27,003,161,042.15/142,267.24
  6. Step 6: Final answer
    x = 189,805.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.