Home / 101,128.92-151,618.50-48,488.28

Finding the Fourth Proportional to 101,128.92, 151,618.50 and 48,488.28

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Solution

The fourth proportional to 101,128.92, 151,618.50 and 48,488.28 is: 72,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,128.92 : 151,618.50 = 48,488.28 : x
  2. Step 2: Convert to fraction form
    101,128.92/151,618.50 = 48,488.28/x
  3. Step 3: Cross multiply
    101,128.92x = 151,618.50 × 48,488.28
  4. Step 4: Simplify right side
    101,128.92x = 7,351,720,281.18
  5. Step 5: Solve for x
    x = 7,351,720,281.18/101,128.92
  6. Step 6: Final answer
    x = 72,696.52

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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.