Home / 230,373.17-345,588.97-90,113.57

Finding the Fourth Proportional to 230,373.17, 345,588.97 and 90,113.57

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Solution

The fourth proportional to 230,373.17, 345,588.97 and 90,113.57 is: 135,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,373.17 : 345,588.97 = 90,113.57 : x
  2. Step 2: Convert to fraction form
    230,373.17/345,588.97 = 90,113.57/x
  3. Step 3: Cross multiply
    230,373.17x = 345,588.97 × 90,113.57
  4. Step 4: Simplify right side
    230,373.17x = 31,142,254,111.38
  5. Step 5: Solve for x
    x = 31,142,254,111.38/230,373.17
  6. Step 6: Final answer
    x = 135,181.78

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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.