Home / 249,211.50-343,792.11-163,132.53

Finding the Fourth Proportional to 249,211.50, 343,792.11 and 163,132.53

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Solution

The fourth proportional to 249,211.50, 343,792.11 and 163,132.53 is: 225,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,211.50 : 343,792.11 = 163,132.53 : x
  2. Step 2: Convert to fraction form
    249,211.50/343,792.11 = 163,132.53/x
  3. Step 3: Cross multiply
    249,211.50x = 343,792.11 × 163,132.53
  4. Step 4: Simplify right side
    249,211.50x = 56,083,676,698.34
  5. Step 5: Solve for x
    x = 56,083,676,698.34/249,211.50
  6. Step 6: Final answer
    x = 225,044.50

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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.