Home / 121,624.08-182,312-68,922.24

Finding the Fourth Proportional to 121,624.08, 182,312 and 68,922.24

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Solution

The fourth proportional to 121,624.08, 182,312 and 68,922.24 is: 103,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,624.08 : 182,312 = 68,922.24 : x
  2. Step 2: Convert to fraction form
    121,624.08/182,312 = 68,922.24/x
  3. Step 3: Cross multiply
    121,624.08x = 182,312 × 68,922.24
  4. Step 4: Simplify right side
    121,624.08x = 12,565,351,418.88
  5. Step 5: Solve for x
    x = 12,565,351,418.88/121,624.08
  6. Step 6: Final answer
    x = 103,313.02

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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.