Home / 112,960.68-155,875.44-61,971.24

Finding the Fourth Proportional to 112,960.68, 155,875.44 and 61,971.24

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Solution

The fourth proportional to 112,960.68, 155,875.44 and 61,971.24 is: 85,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,960.68 : 155,875.44 = 61,971.24 : x
  2. Step 2: Convert to fraction form
    112,960.68/155,875.44 = 61,971.24/x
  3. Step 3: Cross multiply
    112,960.68x = 155,875.44 × 61,971.24
  4. Step 4: Simplify right side
    112,960.68x = 9,659,794,302.35
  5. Step 5: Solve for x
    x = 9,659,794,302.35/112,960.68
  6. Step 6: Final answer
    x = 85,514.66

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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.