Home / 85,542.23-128,320.52-22,362.23

Finding the Fourth Proportional to 85,542.23, 128,320.52 and 22,362.23

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Solution

The fourth proportional to 85,542.23, 128,320.52 and 22,362.23 is: 33,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,542.23 : 128,320.52 = 22,362.23 : x
  2. Step 2: Convert to fraction form
    85,542.23/128,320.52 = 22,362.23/x
  3. Step 3: Cross multiply
    85,542.23x = 128,320.52 × 22,362.23
  4. Step 4: Simplify right side
    85,542.23x = 2,869,532,228.55
  5. Step 5: Solve for x
    x = 2,869,532,228.55/85,542.23
  6. Step 6: Final answer
    x = 33,545.21

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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.