Home / 163,019.24-224,991.78-91,428.20

Finding the Fourth Proportional to 163,019.24, 224,991.78 and 91,428.20

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Solution

The fourth proportional to 163,019.24, 224,991.78 and 91,428.20 is: 126,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,019.24 : 224,991.78 = 91,428.20 : x
  2. Step 2: Convert to fraction form
    163,019.24/224,991.78 = 91,428.20/x
  3. Step 3: Cross multiply
    163,019.24x = 224,991.78 × 91,428.20
  4. Step 4: Simplify right side
    163,019.24x = 20,570,593,460.20
  5. Step 5: Solve for x
    x = 20,570,593,460.20/163,019.24
  6. Step 6: Final answer
    x = 126,185.07

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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.