Home / 249,191.12-343,883.75-136,013.87

Finding the Fourth Proportional to 249,191.12, 343,883.75 and 136,013.87

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Solution

The fourth proportional to 249,191.12, 343,883.75 and 136,013.87 is: 187,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,191.12 : 343,883.75 = 136,013.87 : x
  2. Step 2: Convert to fraction form
    249,191.12/343,883.75 = 136,013.87/x
  3. Step 3: Cross multiply
    249,191.12x = 343,883.75 × 136,013.87
  4. Step 4: Simplify right side
    249,191.12x = 46,772,960,612.33
  5. Step 5: Solve for x
    x = 46,772,960,612.33/249,191.12
  6. Step 6: Final answer
    x = 187,699.14

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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.