Home / 90,852.27-136,284.18-28,525.23

Finding the Fourth Proportional to 90,852.27, 136,284.18 and 28,525.23

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Solution

The fourth proportional to 90,852.27, 136,284.18 and 28,525.23 is: 42,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,852.27 : 136,284.18 = 28,525.23 : x
  2. Step 2: Convert to fraction form
    90,852.27/136,284.18 = 28,525.23/x
  3. Step 3: Cross multiply
    90,852.27x = 136,284.18 × 28,525.23
  4. Step 4: Simplify right side
    90,852.27x = 3,887,537,579.86
  5. Step 5: Solve for x
    x = 3,887,537,579.86/90,852.27
  6. Step 6: Final answer
    x = 42,789.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.