Home / 112,342.20-155,033.46-61,356.42

Finding the Fourth Proportional to 112,342.20, 155,033.46 and 61,356.42

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Solution

The fourth proportional to 112,342.20, 155,033.46 and 61,356.42 is: 84,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,342.20 : 155,033.46 = 61,356.42 : x
  2. Step 2: Convert to fraction form
    112,342.20/155,033.46 = 61,356.42/x
  3. Step 3: Cross multiply
    112,342.20x = 155,033.46 × 61,356.42
  4. Step 4: Simplify right side
    112,342.20x = 9,512,298,085.81
  5. Step 5: Solve for x
    x = 9,512,298,085.81/112,342.20
  6. Step 6: Final answer
    x = 84,672.53

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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.