Home / 165,477.16-247,992.18-118,626.76

Finding the Fourth Proportional to 165,477.16, 247,992.18 and 118,626.76

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Solution

The fourth proportional to 165,477.16, 247,992.18 and 118,626.76 is: 177,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,477.16 : 247,992.18 = 118,626.76 : x
  2. Step 2: Convert to fraction form
    165,477.16/247,992.18 = 118,626.76/x
  3. Step 3: Cross multiply
    165,477.16x = 247,992.18 × 118,626.76
  4. Step 4: Simplify right side
    165,477.16x = 29,418,508,818.74
  5. Step 5: Solve for x
    x = 29,418,508,818.74/165,477.16
  6. Step 6: Final answer
    x = 177,779.87

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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.