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Finding the Fourth Proportional to 66,866.40, 100,151.70 and 27,303.54

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Solution

The fourth proportional to 66,866.40, 100,151.70 and 27,303.54 is: 40,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,866.40 : 100,151.70 = 27,303.54 : x
  2. Step 2: Convert to fraction form
    66,866.40/100,151.70 = 27,303.54/x
  3. Step 3: Cross multiply
    66,866.40x = 100,151.70 × 27,303.54
  4. Step 4: Simplify right side
    66,866.40x = 2,734,495,947.02
  5. Step 5: Solve for x
    x = 2,734,495,947.02/66,866.40
  6. Step 6: Final answer
    x = 40,894.92

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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.