Home / 90,436.49-124,802.69-50,153.97

Finding the Fourth Proportional to 90,436.49, 124,802.69 and 50,153.97

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Solution

The fourth proportional to 90,436.49, 124,802.69 and 50,153.97 is: 69,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,436.49 : 124,802.69 = 50,153.97 : x
  2. Step 2: Convert to fraction form
    90,436.49/124,802.69 = 50,153.97/x
  3. Step 3: Cross multiply
    90,436.49x = 124,802.69 × 50,153.97
  4. Step 4: Simplify right side
    90,436.49x = 6,259,350,370.18
  5. Step 5: Solve for x
    x = 6,259,350,370.18/90,436.49
  6. Step 6: Final answer
    x = 69,212.66

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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.