Home / 251,437.06-346,983.14-138,259.81

Finding the Fourth Proportional to 251,437.06, 346,983.14 and 138,259.81

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Solution

The fourth proportional to 251,437.06, 346,983.14 and 138,259.81 is: 190,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,437.06 : 346,983.14 = 138,259.81 : x
  2. Step 2: Convert to fraction form
    251,437.06/346,983.14 = 138,259.81/x
  3. Step 3: Cross multiply
    251,437.06x = 346,983.14 × 138,259.81
  4. Step 4: Simplify right side
    251,437.06x = 47,973,822,487.80
  5. Step 5: Solve for x
    x = 47,973,822,487.80/251,437.06
  6. Step 6: Final answer
    x = 190,798.54

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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.