Home / 215,557.02-323,336.07-75,315.60

Finding the Fourth Proportional to 215,557.02, 323,336.07 and 75,315.60

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Solution

The fourth proportional to 215,557.02, 323,336.07 and 75,315.60 is: 112,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,557.02 : 323,336.07 = 75,315.60 : x
  2. Step 2: Convert to fraction form
    215,557.02/323,336.07 = 75,315.60/x
  3. Step 3: Cross multiply
    215,557.02x = 323,336.07 × 75,315.60
  4. Step 4: Simplify right side
    215,557.02x = 24,352,250,113.69
  5. Step 5: Solve for x
    x = 24,352,250,113.69/215,557.02
  6. Step 6: Final answer
    x = 112,973.59

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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.