Home / 118,020.32-162,869.90-64,305.33

Finding the Fourth Proportional to 118,020.32, 162,869.90 and 64,305.33

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Solution

The fourth proportional to 118,020.32, 162,869.90 and 64,305.33 is: 88,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,020.32 : 162,869.90 = 64,305.33 : x
  2. Step 2: Convert to fraction form
    118,020.32/162,869.90 = 64,305.33/x
  3. Step 3: Cross multiply
    118,020.32x = 162,869.90 × 64,305.33
  4. Step 4: Simplify right side
    118,020.32x = 10,473,402,345.04
  5. Step 5: Solve for x
    x = 10,473,402,345.04/118,020.32
  6. Step 6: Final answer
    x = 88,742.37

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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.