Home / 131,256.74-181,122.83-73,109.10

Finding the Fourth Proportional to 131,256.74, 181,122.83 and 73,109.10

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Solution

The fourth proportional to 131,256.74, 181,122.83 and 73,109.10 is: 100,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,256.74 : 181,122.83 = 73,109.10 : x
  2. Step 2: Convert to fraction form
    131,256.74/181,122.83 = 73,109.10/x
  3. Step 3: Cross multiply
    131,256.74x = 181,122.83 × 73,109.10
  4. Step 4: Simplify right side
    131,256.74x = 13,241,727,090.75
  5. Step 5: Solve for x
    x = 13,241,727,090.75/131,256.74
  6. Step 6: Final answer
    x = 100,884.17

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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.