Home / 158,519.48-218,758.44-86,900.96

Finding the Fourth Proportional to 158,519.48, 218,758.44 and 86,900.96

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Solution

The fourth proportional to 158,519.48, 218,758.44 and 86,900.96 is: 119,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,519.48 : 218,758.44 = 86,900.96 : x
  2. Step 2: Convert to fraction form
    158,519.48/218,758.44 = 86,900.96/x
  3. Step 3: Cross multiply
    158,519.48x = 218,758.44 × 86,900.96
  4. Step 4: Simplify right side
    158,519.48x = 19,010,318,444.10
  5. Step 5: Solve for x
    x = 19,010,318,444.10/158,519.48
  6. Step 6: Final answer
    x = 119,924.18

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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.