Home / 112,929.34-155,841.42-61,941.04

Finding the Fourth Proportional to 112,929.34, 155,841.42 and 61,941.04

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Solution

The fourth proportional to 112,929.34, 155,841.42 and 61,941.04 is: 85,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,929.34 : 155,841.42 = 61,941.04 : x
  2. Step 2: Convert to fraction form
    112,929.34/155,841.42 = 61,941.04/x
  3. Step 3: Cross multiply
    112,929.34x = 155,841.42 × 61,941.04
  4. Step 4: Simplify right side
    112,929.34x = 9,652,979,629.88
  5. Step 5: Solve for x
    x = 9,652,979,629.88/112,929.34
  6. Step 6: Final answer
    x = 85,478.05

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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.