Home / 251,225.38-346,687.02-138,045.70

Finding the Fourth Proportional to 251,225.38, 346,687.02 and 138,045.70

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Solution

The fourth proportional to 251,225.38, 346,687.02 and 138,045.70 is: 190,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,225.38 : 346,687.02 = 138,045.70 : x
  2. Step 2: Convert to fraction form
    251,225.38/346,687.02 = 138,045.70/x
  3. Step 3: Cross multiply
    251,225.38x = 346,687.02 × 138,045.70
  4. Step 4: Simplify right side
    251,225.38x = 47,858,652,356.81
  5. Step 5: Solve for x
    x = 47,858,652,356.81/251,225.38
  6. Step 6: Final answer
    x = 190,500.87

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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.