Home / 146,007.95-201,491.27-78,939.95

Finding the Fourth Proportional to 146,007.95, 201,491.27 and 78,939.95

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Solution

The fourth proportional to 146,007.95, 201,491.27 and 78,939.95 is: 108,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,007.95 : 201,491.27 = 78,939.95 : x
  2. Step 2: Convert to fraction form
    146,007.95/201,491.27 = 78,939.95/x
  3. Step 3: Cross multiply
    146,007.95x = 201,491.27 × 78,939.95
  4. Step 4: Simplify right side
    146,007.95x = 15,905,709,377.08
  5. Step 5: Solve for x
    x = 15,905,709,377.08/146,007.95
  6. Step 6: Final answer
    x = 108,937.29

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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.