Home / 150,545.60-225,782.40-87,228.80

Finding the Fourth Proportional to 150,545.60, 225,782.40 and 87,228.80

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Solution

The fourth proportional to 150,545.60, 225,782.40 and 87,228.80 is: 130,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,545.60 : 225,782.40 = 87,228.80 : x
  2. Step 2: Convert to fraction form
    150,545.60/225,782.40 = 87,228.80/x
  3. Step 3: Cross multiply
    150,545.60x = 225,782.40 × 87,228.80
  4. Step 4: Simplify right side
    150,545.60x = 19,694,727,813.12
  5. Step 5: Solve for x
    x = 19,694,727,813.12/150,545.60
  6. Step 6: Final answer
    x = 130,822.34

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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.