Home / 215,850.16-297,795.09-125,156.17

Finding the Fourth Proportional to 215,850.16, 297,795.09 and 125,156.17

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Solution

The fourth proportional to 215,850.16, 297,795.09 and 125,156.17 is: 172,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,850.16 : 297,795.09 = 125,156.17 : x
  2. Step 2: Convert to fraction form
    215,850.16/297,795.09 = 125,156.17/x
  3. Step 3: Cross multiply
    215,850.16x = 297,795.09 × 125,156.17
  4. Step 4: Simplify right side
    215,850.16x = 37,270,892,909.21
  5. Step 5: Solve for x
    x = 37,270,892,909.21/215,850.16
  6. Step 6: Final answer
    x = 172,670.21

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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.