Home / 150,069.20-225,030.90-83,438.60

Finding the Fourth Proportional to 150,069.20, 225,030.90 and 83,438.60

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Solution

The fourth proportional to 150,069.20, 225,030.90 and 83,438.60 is: 125,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,069.20 : 225,030.90 = 83,438.60 : x
  2. Step 2: Convert to fraction form
    150,069.20/225,030.90 = 83,438.60/x
  3. Step 3: Cross multiply
    150,069.20x = 225,030.90 × 83,438.60
  4. Step 4: Simplify right side
    150,069.20x = 18,776,263,252.74
  5. Step 5: Solve for x
    x = 18,776,263,252.74/150,069.20
  6. Step 6: Final answer
    x = 125,117.37

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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.