Home / 249,764.10-374,516.55-91,911.30

Finding the Fourth Proportional to 249,764.10, 374,516.55 and 91,911.30

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Solution

The fourth proportional to 249,764.10, 374,516.55 and 91,911.30 is: 137,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,764.10 : 374,516.55 = 91,911.30 : x
  2. Step 2: Convert to fraction form
    249,764.10/374,516.55 = 91,911.30/x
  3. Step 3: Cross multiply
    249,764.10x = 374,516.55 × 91,911.30
  4. Step 4: Simplify right side
    249,764.10x = 34,422,302,982.02
  5. Step 5: Solve for x
    x = 34,422,302,982.02/249,764.10
  6. Step 6: Final answer
    x = 137,819.26

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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.