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Finding the Fourth Proportional to 147,928, 221,947.84 and 88,804.88

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Solution

The fourth proportional to 147,928, 221,947.84 and 88,804.88 is: 133,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,928 : 221,947.84 = 88,804.88 : x
  2. Step 2: Convert to fraction form
    147,928/221,947.84 = 88,804.88/x
  3. Step 3: Cross multiply
    147,928x = 221,947.84 × 88,804.88
  4. Step 4: Simplify right side
    147,928x = 19,710,051,297.46
  5. Step 5: Solve for x
    x = 19,710,051,297.46/147,928
  6. Step 6: Final answer
    x = 133,240.84

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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.