Home / 121,650.08-182,455.29-42,745.88

Finding the Fourth Proportional to 121,650.08, 182,455.29 and 42,745.88

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Solution

The fourth proportional to 121,650.08, 182,455.29 and 42,745.88 is: 64,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,650.08 : 182,455.29 = 42,745.88 : x
  2. Step 2: Convert to fraction form
    121,650.08/182,455.29 = 42,745.88/x
  3. Step 3: Cross multiply
    121,650.08x = 182,455.29 × 42,745.88
  4. Step 4: Simplify right side
    121,650.08x = 7,799,211,931.71
  5. Step 5: Solve for x
    x = 7,799,211,931.71/121,650.08
  6. Step 6: Final answer
    x = 64,111.85

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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.