Home / 131,575.01-181,573.38-71,145.51

Finding the Fourth Proportional to 131,575.01, 181,573.38 and 71,145.51

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Solution

The fourth proportional to 131,575.01, 181,573.38 and 71,145.51 is: 98,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,575.01 : 181,573.38 = 71,145.51 : x
  2. Step 2: Convert to fraction form
    131,575.01/181,573.38 = 71,145.51/x
  3. Step 3: Cross multiply
    131,575.01x = 181,573.38 × 71,145.51
  4. Step 4: Simplify right side
    131,575.01x = 12,918,130,041.62
  5. Step 5: Solve for x
    x = 12,918,130,041.62/131,575.01
  6. Step 6: Final answer
    x = 98,180.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.