Home / 113,432.30-168,984.40-108,314.72

Finding the Fourth Proportional to 113,432.30, 168,984.40 and 108,314.72

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Solution

The fourth proportional to 113,432.30, 168,984.40 and 108,314.72 is: 161,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,432.30 : 168,984.40 = 108,314.72 : x
  2. Step 2: Convert to fraction form
    113,432.30/168,984.40 = 108,314.72/x
  3. Step 3: Cross multiply
    113,432.30x = 168,984.40 × 108,314.72
  4. Step 4: Simplify right side
    113,432.30x = 18,303,497,970.37
  5. Step 5: Solve for x
    x = 18,303,497,970.37/113,432.30
  6. Step 6: Final answer
    x = 161,360.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.