Home / 210,236.24-290,081.68-133,727.52

Finding the Fourth Proportional to 210,236.24, 290,081.68 and 133,727.52

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Solution

The fourth proportional to 210,236.24, 290,081.68 and 133,727.52 is: 184,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,236.24 : 290,081.68 = 133,727.52 : x
  2. Step 2: Convert to fraction form
    210,236.24/290,081.68 = 133,727.52/x
  3. Step 3: Cross multiply
    210,236.24x = 290,081.68 × 133,727.52
  4. Step 4: Simplify right side
    210,236.24x = 38,791,903,663.83
  5. Step 5: Solve for x
    x = 38,791,903,663.83/210,236.24
  6. Step 6: Final answer
    x = 184,515.78

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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.