Home / 215,345.98-297,177.14-119,850.40

Finding the Fourth Proportional to 215,345.98, 297,177.14 and 119,850.40

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Solution

The fourth proportional to 215,345.98, 297,177.14 and 119,850.40 is: 165,393.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,345.98 : 297,177.14 = 119,850.40 : x
  2. Step 2: Convert to fraction form
    215,345.98/297,177.14 = 119,850.40/x
  3. Step 3: Cross multiply
    215,345.98x = 297,177.14 × 119,850.40
  4. Step 4: Simplify right side
    215,345.98x = 35,616,799,099.86
  5. Step 5: Solve for x
    x = 35,616,799,099.86/215,345.98
  6. Step 6: Final answer
    x = 165,393.38

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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.