Home / 112,206.10-168,309.15-103,020.70

Finding the Fourth Proportional to 112,206.10, 168,309.15 and 103,020.70

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Solution

The fourth proportional to 112,206.10, 168,309.15 and 103,020.70 is: 154,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206.10 : 168,309.15 = 103,020.70 : x
  2. Step 2: Convert to fraction form
    112,206.10/168,309.15 = 103,020.70/x
  3. Step 3: Cross multiply
    112,206.10x = 168,309.15 × 103,020.70
  4. Step 4: Simplify right side
    112,206.10x = 17,339,326,449.41
  5. Step 5: Solve for x
    x = 17,339,326,449.41/112,206.10
  6. Step 6: Final answer
    x = 154,531.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.