Home / 90,302.16-124,616.84-50,558.16

Finding the Fourth Proportional to 90,302.16, 124,616.84 and 50,558.16

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Solution

The fourth proportional to 90,302.16, 124,616.84 and 50,558.16 is: 69,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,302.16 : 124,616.84 = 50,558.16 : x
  2. Step 2: Convert to fraction form
    90,302.16/124,616.84 = 50,558.16/x
  3. Step 3: Cross multiply
    90,302.16x = 124,616.84 × 50,558.16
  4. Step 4: Simplify right side
    90,302.16x = 6,300,398,135.41
  5. Step 5: Solve for x
    x = 6,300,398,135.41/90,302.16
  6. Step 6: Final answer
    x = 69,770.18

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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.