Home / 230,064.20-345,290.70-89,923.40

Finding the Fourth Proportional to 230,064.20, 345,290.70 and 89,923.40

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Solution

The fourth proportional to 230,064.20, 345,290.70 and 89,923.40 is: 134,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,064.20 : 345,290.70 = 89,923.40 : x
  2. Step 2: Convert to fraction form
    230,064.20/345,290.70 = 89,923.40/x
  3. Step 3: Cross multiply
    230,064.20x = 345,290.70 × 89,923.40
  4. Step 4: Simplify right side
    230,064.20x = 31,049,713,732.38
  5. Step 5: Solve for x
    x = 31,049,713,732.38/230,064.20
  6. Step 6: Final answer
    x = 134,961.08

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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.