Home / 249,148.04-343,819.50-135,971.60

Finding the Fourth Proportional to 249,148.04, 343,819.50 and 135,971.60

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Solution

The fourth proportional to 249,148.04, 343,819.50 and 135,971.60 is: 187,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,148.04 : 343,819.50 = 135,971.60 : x
  2. Step 2: Convert to fraction form
    249,148.04/343,819.50 = 135,971.60/x
  3. Step 3: Cross multiply
    249,148.04x = 343,819.50 × 135,971.60
  4. Step 4: Simplify right side
    249,148.04x = 46,749,687,526.20
  5. Step 5: Solve for x
    x = 46,749,687,526.20/249,148.04
  6. Step 6: Final answer
    x = 187,638.19

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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.