Home / 253,564.48-349,942.45-140,387.23

Finding the Fourth Proportional to 253,564.48, 349,942.45 and 140,387.23

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Solution

The fourth proportional to 253,564.48, 349,942.45 and 140,387.23 is: 193,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,564.48 : 349,942.45 = 140,387.23 : x
  2. Step 2: Convert to fraction form
    253,564.48/349,942.45 = 140,387.23/x
  3. Step 3: Cross multiply
    253,564.48x = 349,942.45 × 140,387.23
  4. Step 4: Simplify right side
    253,564.48x = 49,127,449,465.20
  5. Step 5: Solve for x
    x = 49,127,449,465.20/253,564.48
  6. Step 6: Final answer
    x = 193,747.37

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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.