Home / 90,019.96-124,238.10-54,228.04

Finding the Fourth Proportional to 90,019.96, 124,238.10 and 54,228.04

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Solution

The fourth proportional to 90,019.96, 124,238.10 and 54,228.04 is: 74,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,019.96 : 124,238.10 = 54,228.04 : x
  2. Step 2: Convert to fraction form
    90,019.96/124,238.10 = 54,228.04/x
  3. Step 3: Cross multiply
    90,019.96x = 124,238.10 × 54,228.04
  4. Step 4: Simplify right side
    90,019.96x = 6,737,188,656.32
  5. Step 5: Solve for x
    x = 6,737,188,656.32/90,019.96
  6. Step 6: Final answer
    x = 74,841.05

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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.