Home / 121,478.96-182,219.66-42,595.08

Finding the Fourth Proportional to 121,478.96, 182,219.66 and 42,595.08

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Solution

The fourth proportional to 121,478.96, 182,219.66 and 42,595.08 is: 63,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,478.96 : 182,219.66 = 42,595.08 : x
  2. Step 2: Convert to fraction form
    121,478.96/182,219.66 = 42,595.08/x
  3. Step 3: Cross multiply
    121,478.96x = 182,219.66 × 42,595.08
  4. Step 4: Simplify right side
    121,478.96x = 7,761,660,782.30
  5. Step 5: Solve for x
    x = 7,761,660,782.30/121,478.96
  6. Step 6: Final answer
    x = 63,893.05

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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.