Home / 112,779.50-169,115.21-37,878.84

Finding the Fourth Proportional to 112,779.50, 169,115.21 and 37,878.84

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Solution

The fourth proportional to 112,779.50, 169,115.21 and 37,878.84 is: 56,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,779.50 : 169,115.21 = 37,878.84 : x
  2. Step 2: Convert to fraction form
    112,779.50/169,115.21 = 37,878.84/x
  3. Step 3: Cross multiply
    112,779.50x = 169,115.21 × 37,878.84
  4. Step 4: Simplify right side
    112,779.50x = 6,405,887,791.76
  5. Step 5: Solve for x
    x = 6,405,887,791.76/112,779.50
  6. Step 6: Final answer
    x = 56,800.11

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1.5x scale

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.