Home / 90,513.34-124,914.28-50,227.21

Finding the Fourth Proportional to 90,513.34, 124,914.28 and 50,227.21

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Solution

The fourth proportional to 90,513.34, 124,914.28 and 50,227.21 is: 69,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,513.34 : 124,914.28 = 50,227.21 : x
  2. Step 2: Convert to fraction form
    90,513.34/124,914.28 = 50,227.21/x
  3. Step 3: Cross multiply
    90,513.34x = 124,914.28 × 50,227.21
  4. Step 4: Simplify right side
    90,513.34x = 6,274,095,054.40
  5. Step 5: Solve for x
    x = 6,274,095,054.40/90,513.34
  6. Step 6: Final answer
    x = 69,316.80

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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.