Home / 226,816.95-312,987.06-131,330.10

Finding the Fourth Proportional to 226,816.95, 312,987.06 and 131,330.10

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Solution

The fourth proportional to 226,816.95, 312,987.06 and 131,330.10 is: 181,223.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,816.95 : 312,987.06 = 131,330.10 : x
  2. Step 2: Convert to fraction form
    226,816.95/312,987.06 = 131,330.10/x
  3. Step 3: Cross multiply
    226,816.95x = 312,987.06 × 131,330.10
  4. Step 4: Simplify right side
    226,816.95x = 41,104,621,888.51
  5. Step 5: Solve for x
    x = 41,104,621,888.51/226,816.95
  6. Step 6: Final answer
    x = 181,223.77

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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.