Home / 100,301.74-138,417.96-60,017.20

Finding the Fourth Proportional to 100,301.74, 138,417.96 and 60,017.20

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Solution

The fourth proportional to 100,301.74, 138,417.96 and 60,017.20 is: 82,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,301.74 : 138,417.96 = 60,017.20 : x
  2. Step 2: Convert to fraction form
    100,301.74/138,417.96 = 60,017.20/x
  3. Step 3: Cross multiply
    100,301.74x = 138,417.96 × 60,017.20
  4. Step 4: Simplify right side
    100,301.74x = 8,307,459,046.53
  5. Step 5: Solve for x
    x = 8,307,459,046.53/100,301.74
  6. Step 6: Final answer
    x = 82,824.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.