Home / 131,659.56-181,685.70-75,089.16

Finding the Fourth Proportional to 131,659.56, 181,685.70 and 75,089.16

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Solution

The fourth proportional to 131,659.56, 181,685.70 and 75,089.16 is: 103,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,659.56 : 181,685.70 = 75,089.16 : x
  2. Step 2: Convert to fraction form
    131,659.56/181,685.70 = 75,089.16/x
  3. Step 3: Cross multiply
    131,659.56x = 181,685.70 × 75,089.16
  4. Step 4: Simplify right side
    131,659.56x = 13,642,626,597.01
  5. Step 5: Solve for x
    x = 13,642,626,597.01/131,659.56
  6. Step 6: Final answer
    x = 103,620.48

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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.