Home / 253,565.23-349,943.49-140,387.98

Finding the Fourth Proportional to 253,565.23, 349,943.49 and 140,387.98

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Solution

The fourth proportional to 253,565.23, 349,943.49 and 140,387.98 is: 193,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,565.23 : 349,943.49 = 140,387.98 : x
  2. Step 2: Convert to fraction form
    253,565.23/349,943.49 = 140,387.98/x
  3. Step 3: Cross multiply
    253,565.23x = 349,943.49 × 140,387.98
  4. Step 4: Simplify right side
    253,565.23x = 49,127,857,223.59
  5. Step 5: Solve for x
    x = 49,127,857,223.59/253,565.23
  6. Step 6: Final answer
    x = 193,748.40

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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.