Home / 249,181.23-373,808.53-80,645.55

Finding the Fourth Proportional to 249,181.23, 373,808.53 and 80,645.55

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Solution

The fourth proportional to 249,181.23, 373,808.53 and 80,645.55 is: 120,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,181.23 : 373,808.53 = 80,645.55 : x
  2. Step 2: Convert to fraction form
    249,181.23/373,808.53 = 80,645.55/x
  3. Step 3: Cross multiply
    249,181.23x = 373,808.53 × 80,645.55
  4. Step 4: Simplify right side
    249,181.23x = 30,145,993,195.57
  5. Step 5: Solve for x
    x = 30,145,993,195.57/249,181.23
  6. Step 6: Final answer
    x = 120,980.19

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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.