Home / 249,379.95-374,122.53-80,887.19

Finding the Fourth Proportional to 249,379.95, 374,122.53 and 80,887.19

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Solution

The fourth proportional to 249,379.95, 374,122.53 and 80,887.19 is: 121,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,379.95 : 374,122.53 = 80,887.19 : x
  2. Step 2: Convert to fraction form
    249,379.95/374,122.53 = 80,887.19/x
  3. Step 3: Cross multiply
    249,379.95x = 374,122.53 × 80,887.19
  4. Step 4: Simplify right side
    249,379.95x = 30,261,719,762.95
  5. Step 5: Solve for x
    x = 30,261,719,762.95/249,379.95
  6. Step 6: Final answer
    x = 121,347.85

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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.