Home / 90,451.52-124,830.75-50,178.25

Finding the Fourth Proportional to 90,451.52, 124,830.75 and 50,178.25

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Solution

The fourth proportional to 90,451.52, 124,830.75 and 50,178.25 is: 69,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,451.52 : 124,830.75 = 50,178.25 : x
  2. Step 2: Convert to fraction form
    90,451.52/124,830.75 = 50,178.25/x
  3. Step 3: Cross multiply
    90,451.52x = 124,830.75 × 50,178.25
  4. Step 4: Simplify right side
    90,451.52x = 6,263,788,581.19
  5. Step 5: Solve for x
    x = 6,263,788,581.19/90,451.52
  6. Step 6: Final answer
    x = 69,250.23

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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.