Home / 253,053.36-349,213.73-138,332.52

Finding the Fourth Proportional to 253,053.36, 349,213.73 and 138,332.52

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Solution

The fourth proportional to 253,053.36, 349,213.73 and 138,332.52 is: 190,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,053.36 : 349,213.73 = 138,332.52 : x
  2. Step 2: Convert to fraction form
    253,053.36/349,213.73 = 138,332.52/x
  3. Step 3: Cross multiply
    253,053.36x = 349,213.73 × 138,332.52
  4. Step 4: Simplify right side
    253,053.36x = 48,307,614,597.84
  5. Step 5: Solve for x
    x = 48,307,614,597.84/253,053.36
  6. Step 6: Final answer
    x = 190,898.93

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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.