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Finding the Fourth Proportional to 101,955.94, 152,966.41 and 42,775.72

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Solution

The fourth proportional to 101,955.94, 152,966.41 and 42,775.72 is: 64,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,955.94 : 152,966.41 = 42,775.72 : x
  2. Step 2: Convert to fraction form
    101,955.94/152,966.41 = 42,775.72/x
  3. Step 3: Cross multiply
    101,955.94x = 152,966.41 × 42,775.72
  4. Step 4: Simplify right side
    101,955.94x = 6,543,248,323.57
  5. Step 5: Solve for x
    x = 6,543,248,323.57/101,955.94
  6. Step 6: Final answer
    x = 64,177.22

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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.