Home / 249,811.54-344,748.16-136,634.28

Finding the Fourth Proportional to 249,811.54, 344,748.16 and 136,634.28

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Solution

The fourth proportional to 249,811.54, 344,748.16 and 136,634.28 is: 188,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,811.54 : 344,748.16 = 136,634.28 : x
  2. Step 2: Convert to fraction form
    249,811.54/344,748.16 = 136,634.28/x
  3. Step 3: Cross multiply
    249,811.54x = 344,748.16 × 136,634.28
  4. Step 4: Simplify right side
    249,811.54x = 47,104,416,622.92
  5. Step 5: Solve for x
    x = 47,104,416,622.92/249,811.54
  6. Step 6: Final answer
    x = 188,559.81

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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.