Home / 159,923.86-220,703.57-88,303.66

Finding the Fourth Proportional to 159,923.86, 220,703.57 and 88,303.66

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Solution

The fourth proportional to 159,923.86, 220,703.57 and 88,303.66 is: 121,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,923.86 : 220,703.57 = 88,303.66 : x
  2. Step 2: Convert to fraction form
    159,923.86/220,703.57 = 88,303.66/x
  3. Step 3: Cross multiply
    159,923.86x = 220,703.57 × 88,303.66
  4. Step 4: Simplify right side
    159,923.86x = 19,488,933,006.07
  5. Step 5: Solve for x
    x = 19,488,933,006.07/159,923.86
  6. Step 6: Final answer
    x = 121,863.82

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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.