Home / 220,353.16-304,070.20-124,874.82

Finding the Fourth Proportional to 220,353.16, 304,070.20 and 124,874.82

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Solution

The fourth proportional to 220,353.16, 304,070.20 and 124,874.82 is: 172,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,353.16 : 304,070.20 = 124,874.82 : x
  2. Step 2: Convert to fraction form
    220,353.16/304,070.20 = 124,874.82/x
  3. Step 3: Cross multiply
    220,353.16x = 304,070.20 × 124,874.82
  4. Step 4: Simplify right side
    220,353.16x = 37,970,711,492.36
  5. Step 5: Solve for x
    x = 37,970,711,492.36/220,353.16
  6. Step 6: Final answer
    x = 172,317.53

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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.