Home / 249,389.75-344,159.68-136,212.50

Finding the Fourth Proportional to 249,389.75, 344,159.68 and 136,212.50

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Solution

The fourth proportional to 249,389.75, 344,159.68 and 136,212.50 is: 187,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,389.75 : 344,159.68 = 136,212.50 : x
  2. Step 2: Convert to fraction form
    249,389.75/344,159.68 = 136,212.50/x
  3. Step 3: Cross multiply
    249,389.75x = 344,159.68 × 136,212.50
  4. Step 4: Simplify right side
    249,389.75x = 46,878,850,412
  5. Step 5: Solve for x
    x = 46,878,850,412/249,389.75
  6. Step 6: Final answer
    x = 187,974.25

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1.5x scale

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.