Home / 112,144.01-168,506.80-84,326.18

Finding the Fourth Proportional to 112,144.01, 168,506.80 and 84,326.18

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Solution

The fourth proportional to 112,144.01, 168,506.80 and 84,326.18 is: 126,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,144.01 : 168,506.80 = 84,326.18 : x
  2. Step 2: Convert to fraction form
    112,144.01/168,506.80 = 84,326.18/x
  3. Step 3: Cross multiply
    112,144.01x = 168,506.80 × 84,326.18
  4. Step 4: Simplify right side
    112,144.01x = 14,209,533,694.67
  5. Step 5: Solve for x
    x = 14,209,533,694.67/112,144.01
  6. Step 6: Final answer
    x = 126,707.92

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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.