Home / 136,422.05-204,506.79-69,715.13

Finding the Fourth Proportional to 136,422.05, 204,506.79 and 69,715.13

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Solution

The fourth proportional to 136,422.05, 204,506.79 and 69,715.13 is: 104,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,422.05 : 204,506.79 = 69,715.13 : x
  2. Step 2: Convert to fraction form
    136,422.05/204,506.79 = 69,715.13/x
  3. Step 3: Cross multiply
    136,422.05x = 204,506.79 × 69,715.13
  4. Step 4: Simplify right side
    136,422.05x = 14,257,216,428.20
  5. Step 5: Solve for x
    x = 14,257,216,428.20/136,422.05
  6. Step 6: Final answer
    x = 104,508.16

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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.