Home / 74,232.90-111,357.45-71,900.10

Finding the Fourth Proportional to 74,232.90, 111,357.45 and 71,900.10

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Solution

The fourth proportional to 74,232.90, 111,357.45 and 71,900.10 is: 107,858.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,232.90 : 111,357.45 = 71,900.10 : x
  2. Step 2: Convert to fraction form
    74,232.90/111,357.45 = 71,900.10/x
  3. Step 3: Cross multiply
    74,232.90x = 111,357.45 × 71,900.10
  4. Step 4: Simplify right side
    74,232.90x = 8,006,611,790.75
  5. Step 5: Solve for x
    x = 8,006,611,790.75/74,232.90
  6. Step 6: Final answer
    x = 107,858.00

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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.