Home / 119,500.08-164,928.18-71,779.74

Finding the Fourth Proportional to 119,500.08, 164,928.18 and 71,779.74

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Solution

The fourth proportional to 119,500.08, 164,928.18 and 71,779.74 is: 99,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,500.08 : 164,928.18 = 71,779.74 : x
  2. Step 2: Convert to fraction form
    119,500.08/164,928.18 = 71,779.74/x
  3. Step 3: Cross multiply
    119,500.08x = 164,928.18 × 71,779.74
  4. Step 4: Simplify right side
    119,500.08x = 11,838,501,879.07
  5. Step 5: Solve for x
    x = 11,838,501,879.07/119,500.08
  6. Step 6: Final answer
    x = 99,066.90

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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.