Home / 90,813.16-125,337.18-53,080.12

Finding the Fourth Proportional to 90,813.16, 125,337.18 and 53,080.12

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Solution

The fourth proportional to 90,813.16, 125,337.18 and 53,080.12 is: 73,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,813.16 : 125,337.18 = 53,080.12 : x
  2. Step 2: Convert to fraction form
    90,813.16/125,337.18 = 53,080.12/x
  3. Step 3: Cross multiply
    90,813.16x = 125,337.18 × 53,080.12
  4. Step 4: Simplify right side
    90,813.16x = 6,652,912,554.86
  5. Step 5: Solve for x
    x = 6,652,912,554.86/90,813.16
  6. Step 6: Final answer
    x = 73,259.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.