Home / 121,645.08-182,474.64-42,764.76

Finding the Fourth Proportional to 121,645.08, 182,474.64 and 42,764.76

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Solution

The fourth proportional to 121,645.08, 182,474.64 and 42,764.76 is: 64,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,645.08 : 182,474.64 = 42,764.76 : x
  2. Step 2: Convert to fraction form
    121,645.08/182,474.64 = 42,764.76/x
  3. Step 3: Cross multiply
    121,645.08x = 182,474.64 × 42,764.76
  4. Step 4: Simplify right side
    121,645.08x = 7,803,484,185.69
  5. Step 5: Solve for x
    x = 7,803,484,185.69/121,645.08
  6. Step 6: Final answer
    x = 64,149.61

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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.