Home / 100,254.08-150,368.16-47,696.96

Finding the Fourth Proportional to 100,254.08, 150,368.16 and 47,696.96

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Solution

The fourth proportional to 100,254.08, 150,368.16 and 47,696.96 is: 71,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,254.08 : 150,368.16 = 47,696.96 : x
  2. Step 2: Convert to fraction form
    100,254.08/150,368.16 = 47,696.96/x
  3. Step 3: Cross multiply
    100,254.08x = 150,368.16 × 47,696.96
  4. Step 4: Simplify right side
    100,254.08x = 7,172,104,112.79
  5. Step 5: Solve for x
    x = 7,172,104,112.79/100,254.08
  6. Step 6: Final answer
    x = 71,539.27

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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.