Home / 249,739.04-344,648.13-136,561.79

Finding the Fourth Proportional to 249,739.04, 344,648.13 and 136,561.79

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Solution

The fourth proportional to 249,739.04, 344,648.13 and 136,561.79 is: 188,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,739.04 : 344,648.13 = 136,561.79 : x
  2. Step 2: Convert to fraction form
    249,739.04/344,648.13 = 136,561.79/x
  3. Step 3: Cross multiply
    249,739.04x = 344,648.13 × 136,561.79
  4. Step 4: Simplify right side
    249,739.04x = 47,065,765,552.95
  5. Step 5: Solve for x
    x = 47,065,765,552.95/249,739.04
  6. Step 6: Final answer
    x = 188,459.78

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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.