Home / 121,521.30-182,627.55-106,314.90

Finding the Fourth Proportional to 121,521.30, 182,627.55 and 106,314.90

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Solution

The fourth proportional to 121,521.30, 182,627.55 and 106,314.90 is: 159,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,521.30 : 182,627.55 = 106,314.90 : x
  2. Step 2: Convert to fraction form
    121,521.30/182,627.55 = 106,314.90/x
  3. Step 3: Cross multiply
    121,521.30x = 182,627.55 × 106,314.90
  4. Step 4: Simplify right side
    121,521.30x = 19,416,029,715.50
  5. Step 5: Solve for x
    x = 19,416,029,715.50/121,521.30
  6. Step 6: Final answer
    x = 159,774.70

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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.