Home / 147,471.69-203,532.83-90,144.07

Finding the Fourth Proportional to 147,471.69, 203,532.83 and 90,144.07

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Solution

The fourth proportional to 147,471.69, 203,532.83 and 90,144.07 is: 124,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,471.69 : 203,532.83 = 90,144.07 : x
  2. Step 2: Convert to fraction form
    147,471.69/203,532.83 = 90,144.07/x
  3. Step 3: Cross multiply
    147,471.69x = 203,532.83 × 90,144.07
  4. Step 4: Simplify right side
    147,471.69x = 18,347,277,674.82
  5. Step 5: Solve for x
    x = 18,347,277,674.82/147,471.69
  6. Step 6: Final answer
    x = 124,412.20

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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.