Home / 90,138.01-124,401.27-52,412.26

Finding the Fourth Proportional to 90,138.01, 124,401.27 and 52,412.26

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Solution

The fourth proportional to 90,138.01, 124,401.27 and 52,412.26 is: 72,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,138.01 : 124,401.27 = 52,412.26 : x
  2. Step 2: Convert to fraction form
    90,138.01/124,401.27 = 52,412.26/x
  3. Step 3: Cross multiply
    90,138.01x = 124,401.27 × 52,412.26
  4. Step 4: Simplify right side
    90,138.01x = 6,520,151,707.57
  5. Step 5: Solve for x
    x = 6,520,151,707.57/90,138.01
  6. Step 6: Final answer
    x = 72,335.21

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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.