Home / 161,772.84-223,220.16-90,150.84

Finding the Fourth Proportional to 161,772.84, 223,220.16 and 90,150.84

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Solution

The fourth proportional to 161,772.84, 223,220.16 and 90,150.84 is: 124,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,772.84 : 223,220.16 = 90,150.84 : x
  2. Step 2: Convert to fraction form
    161,772.84/223,220.16 = 90,150.84/x
  3. Step 3: Cross multiply
    161,772.84x = 223,220.16 × 90,150.84
  4. Step 4: Simplify right side
    161,772.84x = 20,123,484,928.93
  5. Step 5: Solve for x
    x = 20,123,484,928.93/161,772.84
  6. Step 6: Final answer
    x = 124,393.47

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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.