Home / 249,566.88-374,138.16-109,220.64

Finding the Fourth Proportional to 249,566.88, 374,138.16 and 109,220.64

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Solution

The fourth proportional to 249,566.88, 374,138.16 and 109,220.64 is: 163,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,566.88 : 374,138.16 = 109,220.64 : x
  2. Step 2: Convert to fraction form
    249,566.88/374,138.16 = 109,220.64/x
  3. Step 3: Cross multiply
    249,566.88x = 374,138.16 × 109,220.64
  4. Step 4: Simplify right side
    249,566.88x = 40,863,609,283.62
  5. Step 5: Solve for x
    x = 40,863,609,283.62/249,566.88
  6. Step 6: Final answer
    x = 163,738.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.