Home / 249,388.13-344,155.61-136,211.15

Finding the Fourth Proportional to 249,388.13, 344,155.61 and 136,211.15

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Solution

The fourth proportional to 249,388.13, 344,155.61 and 136,211.15 is: 187,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,388.13 : 344,155.61 = 136,211.15 : x
  2. Step 2: Convert to fraction form
    249,388.13/344,155.61 = 136,211.15/x
  3. Step 3: Cross multiply
    249,388.13x = 344,155.61 × 136,211.15
  4. Step 4: Simplify right side
    249,388.13x = 46,877,830,036.80
  5. Step 5: Solve for x
    x = 46,877,830,036.80/249,388.13
  6. Step 6: Final answer
    x = 187,971.38

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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.