Home / 215,948.72-323,782.68-89,554.16

Finding the Fourth Proportional to 215,948.72, 323,782.68 and 89,554.16

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Solution

The fourth proportional to 215,948.72, 323,782.68 and 89,554.16 is: 134,273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,948.72 : 323,782.68 = 89,554.16 : x
  2. Step 2: Convert to fraction form
    215,948.72/323,782.68 = 89,554.16/x
  3. Step 3: Cross multiply
    215,948.72x = 323,782.68 × 89,554.16
  4. Step 4: Simplify right side
    215,948.72x = 28,996,085,929.95
  5. Step 5: Solve for x
    x = 28,996,085,929.95/215,948.72
  6. Step 6: Final answer
    x = 134,273.02

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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.