Home / 109,830.32-151,564.20-62,081.99

Finding the Fourth Proportional to 109,830.32, 151,564.20 and 62,081.99

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Solution

The fourth proportional to 109,830.32, 151,564.20 and 62,081.99 is: 85,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,830.32 : 151,564.20 = 62,081.99 : x
  2. Step 2: Convert to fraction form
    109,830.32/151,564.20 = 62,081.99/x
  3. Step 3: Cross multiply
    109,830.32x = 151,564.20 × 62,081.99
  4. Step 4: Simplify right side
    109,830.32x = 9,409,407,148.76
  5. Step 5: Solve for x
    x = 9,409,407,148.76/109,830.32
  6. Step 6: Final answer
    x = 85,672.22

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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.