Home / 77,513.10-116,269.65-76,200.90

Finding the Fourth Proportional to 77,513.10, 116,269.65 and 76,200.90

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Solution

The fourth proportional to 77,513.10, 116,269.65 and 76,200.90 is: 114,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,513.10 : 116,269.65 = 76,200.90 : x
  2. Step 2: Convert to fraction form
    77,513.10/116,269.65 = 76,200.90/x
  3. Step 3: Cross multiply
    77,513.10x = 116,269.65 × 76,200.90
  4. Step 4: Simplify right side
    77,513.10x = 8,859,851,972.69
  5. Step 5: Solve for x
    x = 8,859,851,972.69/77,513.10
  6. Step 6: Final answer
    x = 114,301.35

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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.