Home / 249,016.06-343,641.45-135,838

Finding the Fourth Proportional to 249,016.06, 343,641.45 and 135,838

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Solution

The fourth proportional to 249,016.06, 343,641.45 and 135,838 is: 187,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,016.06 : 343,641.45 = 135,838 : x
  2. Step 2: Convert to fraction form
    249,016.06/343,641.45 = 135,838/x
  3. Step 3: Cross multiply
    249,016.06x = 343,641.45 × 135,838
  4. Step 4: Simplify right side
    249,016.06x = 46,679,567,285.10
  5. Step 5: Solve for x
    x = 46,679,567,285.10/249,016.06
  6. Step 6: Final answer
    x = 187,456.05

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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.