Home / 105,632.28-158,341.80-66,217.07

Finding the Fourth Proportional to 105,632.28, 158,341.80 and 66,217.07

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Solution

The fourth proportional to 105,632.28, 158,341.80 and 66,217.07 is: 99,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,632.28 : 158,341.80 = 66,217.07 : x
  2. Step 2: Convert to fraction form
    105,632.28/158,341.80 = 66,217.07/x
  3. Step 3: Cross multiply
    105,632.28x = 158,341.80 × 66,217.07
  4. Step 4: Simplify right side
    105,632.28x = 10,484,930,698.69
  5. Step 5: Solve for x
    x = 10,484,930,698.69/105,632.28
  6. Step 6: Final answer
    x = 99,258.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.