Home / 112,343.31-155,034.05-61,356.44

Finding the Fourth Proportional to 112,343.31, 155,034.05 and 61,356.44

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Solution

The fourth proportional to 112,343.31, 155,034.05 and 61,356.44 is: 84,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,343.31 : 155,034.05 = 61,356.44 : x
  2. Step 2: Convert to fraction form
    112,343.31/155,034.05 = 61,356.44/x
  3. Step 3: Cross multiply
    112,343.31x = 155,034.05 × 61,356.44
  4. Step 4: Simplify right side
    112,343.31x = 9,512,337,467.58
  5. Step 5: Solve for x
    x = 9,512,337,467.58/112,343.31
  6. Step 6: Final answer
    x = 84,672.04

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1.5x scale

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.