Home / 249,345.03-344,097.41-136,167.78

Finding the Fourth Proportional to 249,345.03, 344,097.41 and 136,167.78

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Solution

The fourth proportional to 249,345.03, 344,097.41 and 136,167.78 is: 187,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,345.03 : 344,097.41 = 136,167.78 : x
  2. Step 2: Convert to fraction form
    249,345.03/344,097.41 = 136,167.78/x
  3. Step 3: Cross multiply
    249,345.03x = 344,097.41 × 136,167.78
  4. Step 4: Simplify right side
    249,345.03x = 46,854,979,742.61
  5. Step 5: Solve for x
    x = 46,854,979,742.61/249,345.03
  6. Step 6: Final answer
    x = 187,912.23

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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.