Home / 123,234.24-170,013.12-91,045.44

Finding the Fourth Proportional to 123,234.24, 170,013.12 and 91,045.44

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Solution

The fourth proportional to 123,234.24, 170,013.12 and 91,045.44 is: 125,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,234.24 : 170,013.12 = 91,045.44 : x
  2. Step 2: Convert to fraction form
    123,234.24/170,013.12 = 91,045.44/x
  3. Step 3: Cross multiply
    123,234.24x = 170,013.12 × 91,045.44
  4. Step 4: Simplify right side
    123,234.24x = 15,478,919,316.17
  5. Step 5: Solve for x
    x = 15,478,919,316.17/123,234.24
  6. Step 6: Final answer
    x = 125,605.67

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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.