Home / 218,717.32-301,830.96-123,225.52

Finding the Fourth Proportional to 218,717.32, 301,830.96 and 123,225.52

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Solution

The fourth proportional to 218,717.32, 301,830.96 and 123,225.52 is: 170,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,717.32 : 301,830.96 = 123,225.52 : x
  2. Step 2: Convert to fraction form
    218,717.32/301,830.96 = 123,225.52/x
  3. Step 3: Cross multiply
    218,717.32x = 301,830.96 × 123,225.52
  4. Step 4: Simplify right side
    218,717.32x = 37,193,276,998.10
  5. Step 5: Solve for x
    x = 37,193,276,998.10/218,717.32
  6. Step 6: Final answer
    x = 170,051.81

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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.