Home / 109,742.46-151,444.28-61,995.81

Finding the Fourth Proportional to 109,742.46, 151,444.28 and 61,995.81

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Solution

The fourth proportional to 109,742.46, 151,444.28 and 61,995.81 is: 85,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,742.46 : 151,444.28 = 61,995.81 : x
  2. Step 2: Convert to fraction form
    109,742.46/151,444.28 = 61,995.81/x
  3. Step 3: Cross multiply
    109,742.46x = 151,444.28 × 61,995.81
  4. Step 4: Simplify right side
    109,742.46x = 9,388,911,211.92
  5. Step 5: Solve for x
    x = 9,388,911,211.92/109,742.46
  6. Step 6: Final answer
    x = 85,554.04

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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.