Home / 245,037.47-367,608.51-85,118.36

Finding the Fourth Proportional to 245,037.47, 367,608.51 and 85,118.36

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Solution

The fourth proportional to 245,037.47, 367,608.51 and 85,118.36 is: 127,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,037.47 : 367,608.51 = 85,118.36 : x
  2. Step 2: Convert to fraction form
    245,037.47/367,608.51 = 85,118.36/x
  3. Step 3: Cross multiply
    245,037.47x = 367,608.51 × 85,118.36
  4. Step 4: Simplify right side
    245,037.47x = 31,290,231,655.20
  5. Step 5: Solve for x
    x = 31,290,231,655.20/245,037.47
  6. Step 6: Final answer
    x = 127,695.70

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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.