Home / 112,652.92-168,172.25-104,779.72

Finding the Fourth Proportional to 112,652.92, 168,172.25 and 104,779.72

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Solution

The fourth proportional to 112,652.92, 168,172.25 and 104,779.72 is: 156,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,652.92 : 168,172.25 = 104,779.72 : x
  2. Step 2: Convert to fraction form
    112,652.92/168,172.25 = 104,779.72/x
  3. Step 3: Cross multiply
    112,652.92x = 168,172.25 × 104,779.72
  4. Step 4: Simplify right side
    112,652.92x = 17,621,041,266.77
  5. Step 5: Solve for x
    x = 17,621,041,266.77/112,652.92
  6. Step 6: Final answer
    x = 156,418.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.