Home / 158,271.26-218,406.04-86,637.56

Finding the Fourth Proportional to 158,271.26, 218,406.04 and 86,637.56

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Solution

The fourth proportional to 158,271.26, 218,406.04 and 86,637.56 is: 119,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,271.26 : 218,406.04 = 86,637.56 : x
  2. Step 2: Convert to fraction form
    158,271.26/218,406.04 = 86,637.56/x
  3. Step 3: Cross multiply
    158,271.26x = 218,406.04 × 86,637.56
  4. Step 4: Simplify right side
    158,271.26x = 18,922,165,086.24
  5. Step 5: Solve for x
    x = 18,922,165,086.24/158,271.26
  6. Step 6: Final answer
    x = 119,555.29

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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.