Home / 251,152.86-346,437.36-149,109.06

Finding the Fourth Proportional to 251,152.86, 346,437.36 and 149,109.06

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Solution

The fourth proportional to 251,152.86, 346,437.36 and 149,109.06 is: 205,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,152.86 : 346,437.36 = 149,109.06 : x
  2. Step 2: Convert to fraction form
    251,152.86/346,437.36 = 149,109.06/x
  3. Step 3: Cross multiply
    251,152.86x = 346,437.36 × 149,109.06
  4. Step 4: Simplify right side
    251,152.86x = 51,656,949,098.48
  5. Step 5: Solve for x
    x = 51,656,949,098.48/251,152.86
  6. Step 6: Final answer
    x = 205,679.32

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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.