Home / 249,811.04-344,747.48-136,633.78

Finding the Fourth Proportional to 249,811.04, 344,747.48 and 136,633.78

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Solution

The fourth proportional to 249,811.04, 344,747.48 and 136,633.78 is: 188,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,811.04 : 344,747.48 = 136,633.78 : x
  2. Step 2: Convert to fraction form
    249,811.04/344,747.48 = 136,633.78/x
  3. Step 3: Cross multiply
    249,811.04x = 344,747.48 × 136,633.78
  4. Step 4: Simplify right side
    249,811.04x = 47,104,151,337.87
  5. Step 5: Solve for x
    x = 47,104,151,337.87/249,811.04
  6. Step 6: Final answer
    x = 188,559.13

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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.