Home / 142,945.39-214,147.45-95,417.18

Finding the Fourth Proportional to 142,945.39, 214,147.45 and 95,417.18

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Solution

The fourth proportional to 142,945.39, 214,147.45 and 95,417.18 is: 142,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,945.39 : 214,147.45 = 95,417.18 : x
  2. Step 2: Convert to fraction form
    142,945.39/214,147.45 = 95,417.18/x
  3. Step 3: Cross multiply
    142,945.39x = 214,147.45 × 95,417.18
  4. Step 4: Simplify right side
    142,945.39x = 20,433,344,473.91
  5. Step 5: Solve for x
    x = 20,433,344,473.91/142,945.39
  6. Step 6: Final answer
    x = 142,945.11

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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.