Home / 230,535.10-318,169.47-135,079.84

Finding the Fourth Proportional to 230,535.10, 318,169.47 and 135,079.84

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Solution

The fourth proportional to 230,535.10, 318,169.47 and 135,079.84 is: 186,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,535.10 : 318,169.47 = 135,079.84 : x
  2. Step 2: Convert to fraction form
    230,535.10/318,169.47 = 135,079.84/x
  3. Step 3: Cross multiply
    230,535.10x = 318,169.47 × 135,079.84
  4. Step 4: Simplify right side
    230,535.10x = 42,978,281,100.48
  5. Step 5: Solve for x
    x = 42,978,281,100.48/230,535.10
  6. Step 6: Final answer
    x = 186,428.36

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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.