Home / 118,767.45-163,901.73-67,779.15

Finding the Fourth Proportional to 118,767.45, 163,901.73 and 67,779.15

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Solution

The fourth proportional to 118,767.45, 163,901.73 and 67,779.15 is: 93,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,767.45 : 163,901.73 = 67,779.15 : x
  2. Step 2: Convert to fraction form
    118,767.45/163,901.73 = 67,779.15/x
  3. Step 3: Cross multiply
    118,767.45x = 163,901.73 × 67,779.15
  4. Step 4: Simplify right side
    118,767.45x = 11,109,119,942.93
  5. Step 5: Solve for x
    x = 11,109,119,942.93/118,767.45
  6. Step 6: Final answer
    x = 93,536.74

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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.