Home / 65,193.12-97,721.28-30,155.76

Finding the Fourth Proportional to 65,193.12, 97,721.28 and 30,155.76

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Solution

The fourth proportional to 65,193.12, 97,721.28 and 30,155.76 is: 45,202.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,193.12 : 97,721.28 = 30,155.76 : x
  2. Step 2: Convert to fraction form
    65,193.12/97,721.28 = 30,155.76/x
  3. Step 3: Cross multiply
    65,193.12x = 97,721.28 × 30,155.76
  4. Step 4: Simplify right side
    65,193.12x = 2,946,859,466.57
  5. Step 5: Solve for x
    x = 2,946,859,466.57/65,193.12
  6. Step 6: Final answer
    x = 45,202.00

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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.