Home / 181,013.17-249,763.47-103,513.39

Finding the Fourth Proportional to 181,013.17, 249,763.47 and 103,513.39

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Solution

The fourth proportional to 181,013.17, 249,763.47 and 103,513.39 is: 142,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,013.17 : 249,763.47 = 103,513.39 : x
  2. Step 2: Convert to fraction form
    181,013.17/249,763.47 = 103,513.39/x
  3. Step 3: Cross multiply
    181,013.17x = 249,763.47 × 103,513.39
  4. Step 4: Simplify right side
    181,013.17x = 25,853,863,477.86
  5. Step 5: Solve for x
    x = 25,853,863,477.86/181,013.17
  6. Step 6: Final answer
    x = 142,828.63

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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.