Home / 320,109.93-480,154.50-95,472.23

Finding the Fourth Proportional to 320,109.93, 480,154.50 and 95,472.23

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Solution

The fourth proportional to 320,109.93, 480,154.50 and 95,472.23 is: 143,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,109.93 : 480,154.50 = 95,472.23 : x
  2. Step 2: Convert to fraction form
    320,109.93/480,154.50 = 95,472.23/x
  3. Step 3: Cross multiply
    320,109.93x = 480,154.50 × 95,472.23
  4. Step 4: Simplify right side
    320,109.93x = 45,841,418,458.76
  5. Step 5: Solve for x
    x = 45,841,418,458.76/320,109.93
  6. Step 6: Final answer
    x = 143,205.24

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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.