Home / 90,163.32-124,375.34-52,433.40

Finding the Fourth Proportional to 90,163.32, 124,375.34 and 52,433.40

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Solution

The fourth proportional to 90,163.32, 124,375.34 and 52,433.40 is: 72,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,163.32 : 124,375.34 = 52,433.40 : x
  2. Step 2: Convert to fraction form
    90,163.32/124,375.34 = 52,433.40/x
  3. Step 3: Cross multiply
    90,163.32x = 124,375.34 × 52,433.40
  4. Step 4: Simplify right side
    90,163.32x = 6,521,421,952.36
  5. Step 5: Solve for x
    x = 6,521,421,952.36/90,163.32
  6. Step 6: Final answer
    x = 72,328.99

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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.