Home / 177,542.07-245,031.65-113,017.87

Finding the Fourth Proportional to 177,542.07, 245,031.65 and 113,017.87

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Solution

The fourth proportional to 177,542.07, 245,031.65 and 113,017.87 is: 155,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,542.07 : 245,031.65 = 113,017.87 : x
  2. Step 2: Convert to fraction form
    177,542.07/245,031.65 = 113,017.87/x
  3. Step 3: Cross multiply
    177,542.07x = 245,031.65 × 113,017.87
  4. Step 4: Simplify right side
    177,542.07x = 27,692,955,165.59
  5. Step 5: Solve for x
    x = 27,692,955,165.59/177,542.07
  6. Step 6: Final answer
    x = 155,979.68

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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.