Home / 143,955.74-198,619.05-92,970.62

Finding the Fourth Proportional to 143,955.74, 198,619.05 and 92,970.62

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Solution

The fourth proportional to 143,955.74, 198,619.05 and 92,970.62 is: 128,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,955.74 : 198,619.05 = 92,970.62 : x
  2. Step 2: Convert to fraction form
    143,955.74/198,619.05 = 92,970.62/x
  3. Step 3: Cross multiply
    143,955.74x = 198,619.05 × 92,970.62
  4. Step 4: Simplify right side
    143,955.74x = 18,465,736,768.38
  5. Step 5: Solve for x
    x = 18,465,736,768.38/143,955.74
  6. Step 6: Final answer
    x = 128,273.71

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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.