Home / 131,716.29-181,725.60-83,985.03

Finding the Fourth Proportional to 131,716.29, 181,725.60 and 83,985.03

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Solution

The fourth proportional to 131,716.29, 181,725.60 and 83,985.03 is: 115,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,716.29 : 181,725.60 = 83,985.03 : x
  2. Step 2: Convert to fraction form
    131,716.29/181,725.60 = 83,985.03/x
  3. Step 3: Cross multiply
    131,716.29x = 181,725.60 × 83,985.03
  4. Step 4: Simplify right side
    131,716.29x = 15,262,229,967.77
  5. Step 5: Solve for x
    x = 15,262,229,967.77/131,716.29
  6. Step 6: Final answer
    x = 115,872.00

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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.