Home / 249,142.55-373,772.95-80,662.88

Finding the Fourth Proportional to 249,142.55, 373,772.95 and 80,662.88

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Solution

The fourth proportional to 249,142.55, 373,772.95 and 80,662.88 is: 121,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,142.55 : 373,772.95 = 80,662.88 : x
  2. Step 2: Convert to fraction form
    249,142.55/373,772.95 = 80,662.88/x
  3. Step 3: Cross multiply
    249,142.55x = 373,772.95 × 80,662.88
  4. Step 4: Simplify right side
    249,142.55x = 30,149,603,345.87
  5. Step 5: Solve for x
    x = 30,149,603,345.87/249,142.55
  6. Step 6: Final answer
    x = 121,013.47

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1.5x scale

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.