Home / 249,940.74-344,926.90-136,774.02

Finding the Fourth Proportional to 249,940.74, 344,926.90 and 136,774.02

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Solution

The fourth proportional to 249,940.74, 344,926.90 and 136,774.02 is: 188,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,940.74 : 344,926.90 = 136,774.02 : x
  2. Step 2: Convert to fraction form
    249,940.74/344,926.90 = 136,774.02/x
  3. Step 3: Cross multiply
    249,940.74x = 344,926.90 × 136,774.02
  4. Step 4: Simplify right side
    249,940.74x = 47,177,036,652.57
  5. Step 5: Solve for x
    x = 47,177,036,652.57/249,940.74
  6. Step 6: Final answer
    x = 188,752.89

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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.