Home / 90,199.06-124,372.82-67,465.20

Finding the Fourth Proportional to 90,199.06, 124,372.82 and 67,465.20

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Solution

The fourth proportional to 90,199.06, 124,372.82 and 67,465.20 is: 93,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,199.06 : 124,372.82 = 67,465.20 : x
  2. Step 2: Convert to fraction form
    90,199.06/124,372.82 = 67,465.20/x
  3. Step 3: Cross multiply
    90,199.06x = 124,372.82 × 67,465.20
  4. Step 4: Simplify right side
    90,199.06x = 8,390,837,175.86
  5. Step 5: Solve for x
    x = 8,390,837,175.86/90,199.06
  6. Step 6: Final answer
    x = 93,025.77

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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.