Home / 118,020.32-162,863.47-64,305.74

Finding the Fourth Proportional to 118,020.32, 162,863.47 and 64,305.74

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Solution

The fourth proportional to 118,020.32, 162,863.47 and 64,305.74 is: 88,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,020.32 : 162,863.47 = 64,305.74 : x
  2. Step 2: Convert to fraction form
    118,020.32/162,863.47 = 64,305.74/x
  3. Step 3: Cross multiply
    118,020.32x = 162,863.47 × 64,305.74
  4. Step 4: Simplify right side
    118,020.32x = 10,473,056,203.71
  5. Step 5: Solve for x
    x = 10,473,056,203.71/118,020.32
  6. Step 6: Final answer
    x = 88,739.43

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1.5x scale

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.