Home / 251,225.60-346,687.40-138,045.92

Finding the Fourth Proportional to 251,225.60, 346,687.40 and 138,045.92

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Solution

The fourth proportional to 251,225.60, 346,687.40 and 138,045.92 is: 190,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,225.60 : 346,687.40 = 138,045.92 : x
  2. Step 2: Convert to fraction form
    251,225.60/346,687.40 = 138,045.92/x
  3. Step 3: Cross multiply
    251,225.60x = 346,687.40 × 138,045.92
  4. Step 4: Simplify right side
    251,225.60x = 47,858,781,085.41
  5. Step 5: Solve for x
    x = 47,858,781,085.41/251,225.60
  6. Step 6: Final answer
    x = 190,501.21

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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.