Home / 155,822.30-215,034.68-84,202.29

Finding the Fourth Proportional to 155,822.30, 215,034.68 and 84,202.29

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Solution

The fourth proportional to 155,822.30, 215,034.68 and 84,202.29 is: 116,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,822.30 : 215,034.68 = 84,202.29 : x
  2. Step 2: Convert to fraction form
    155,822.30/215,034.68 = 84,202.29/x
  3. Step 3: Cross multiply
    155,822.30x = 215,034.68 × 84,202.29
  4. Step 4: Simplify right side
    155,822.30x = 18,106,412,064.41
  5. Step 5: Solve for x
    x = 18,106,412,064.41/155,822.30
  6. Step 6: Final answer
    x = 116,199.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.