Home / 249,306.34-344,042.73-136,129.18

Finding the Fourth Proportional to 249,306.34, 344,042.73 and 136,129.18

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Solution

The fourth proportional to 249,306.34, 344,042.73 and 136,129.18 is: 187,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,306.34 : 344,042.73 = 136,129.18 : x
  2. Step 2: Convert to fraction form
    249,306.34/344,042.73 = 136,129.18/x
  3. Step 3: Cross multiply
    249,306.34x = 344,042.73 × 136,129.18
  4. Step 4: Simplify right side
    249,306.34x = 46,834,254,719.86
  5. Step 5: Solve for x
    x = 46,834,254,719.86/249,306.34
  6. Step 6: Final answer
    x = 187,858.26

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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.