Home / 121,522.20-182,312.46-38,416.20

Finding the Fourth Proportional to 121,522.20, 182,312.46 and 38,416.20

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Solution

The fourth proportional to 121,522.20, 182,312.46 and 38,416.20 is: 57,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,522.20 : 182,312.46 = 38,416.20 : x
  2. Step 2: Convert to fraction form
    121,522.20/182,312.46 = 38,416.20/x
  3. Step 3: Cross multiply
    121,522.20x = 182,312.46 × 38,416.20
  4. Step 4: Simplify right side
    121,522.20x = 7,003,751,925.85
  5. Step 5: Solve for x
    x = 7,003,751,925.85/121,522.20
  6. Step 6: Final answer
    x = 57,633.52

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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.