Home / 121,351.23-182,108.85-42,466.14

Finding the Fourth Proportional to 121,351.23, 182,108.85 and 42,466.14

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Solution

The fourth proportional to 121,351.23, 182,108.85 and 42,466.14 is: 63,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,351.23 : 182,108.85 = 42,466.14 : x
  2. Step 2: Convert to fraction form
    121,351.23/182,108.85 = 42,466.14/x
  3. Step 3: Cross multiply
    121,351.23x = 182,108.85 × 42,466.14
  4. Step 4: Simplify right side
    121,351.23x = 7,733,459,919.34
  5. Step 5: Solve for x
    x = 7,733,459,919.34/121,351.23
  6. Step 6: Final answer
    x = 63,727.91

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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.