Home / 215,522.65-297,430.49-120,029.35

Finding the Fourth Proportional to 215,522.65, 297,430.49 and 120,029.35

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Solution

The fourth proportional to 215,522.65, 297,430.49 and 120,029.35 is: 165,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,522.65 : 297,430.49 = 120,029.35 : x
  2. Step 2: Convert to fraction form
    215,522.65/297,430.49 = 120,029.35/x
  3. Step 3: Cross multiply
    215,522.65x = 297,430.49 × 120,029.35
  4. Step 4: Simplify right side
    215,522.65x = 35,700,387,784.73
  5. Step 5: Solve for x
    x = 35,700,387,784.73/215,522.65
  6. Step 6: Final answer
    x = 165,645.64

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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.