Home / 134,891.10-202,336.65-84,808.80

Finding the Fourth Proportional to 134,891.10, 202,336.65 and 84,808.80

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Solution

The fourth proportional to 134,891.10, 202,336.65 and 84,808.80 is: 127,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,891.10 : 202,336.65 = 84,808.80 : x
  2. Step 2: Convert to fraction form
    134,891.10/202,336.65 = 84,808.80/x
  3. Step 3: Cross multiply
    134,891.10x = 202,336.65 × 84,808.80
  4. Step 4: Simplify right side
    134,891.10x = 17,159,928,482.52
  5. Step 5: Solve for x
    x = 17,159,928,482.52/134,891.10
  6. Step 6: Final answer
    x = 127,213.20

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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.