Home / 109,449.24-151,038.84-61,717.98

Finding the Fourth Proportional to 109,449.24, 151,038.84 and 61,717.98

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Solution

The fourth proportional to 109,449.24, 151,038.84 and 61,717.98 is: 85,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,449.24 : 151,038.84 = 61,717.98 : x
  2. Step 2: Convert to fraction form
    109,449.24/151,038.84 = 61,717.98/x
  3. Step 3: Cross multiply
    109,449.24x = 151,038.84 × 61,717.98
  4. Step 4: Simplify right side
    109,449.24x = 9,321,812,106.34
  5. Step 5: Solve for x
    x = 9,321,812,106.34/109,449.24
  6. Step 6: Final answer
    x = 85,170.19

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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.