Home / 112,569.24-155,346.78-61,580.88

Finding the Fourth Proportional to 112,569.24, 155,346.78 and 61,580.88

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Solution

The fourth proportional to 112,569.24, 155,346.78 and 61,580.88 is: 84,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,569.24 : 155,346.78 = 61,580.88 : x
  2. Step 2: Convert to fraction form
    112,569.24/155,346.78 = 61,580.88/x
  3. Step 3: Cross multiply
    112,569.24x = 155,346.78 × 61,580.88
  4. Step 4: Simplify right side
    112,569.24x = 9,566,390,865.19
  5. Step 5: Solve for x
    x = 9,566,390,865.19/112,569.24
  6. Step 6: Final answer
    x = 84,982.28

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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.