Home / 118,285.44-163,238.72-64,574.08

Finding the Fourth Proportional to 118,285.44, 163,238.72 and 64,574.08

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Solution

The fourth proportional to 118,285.44, 163,238.72 and 64,574.08 is: 89,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,285.44 : 163,238.72 = 64,574.08 : x
  2. Step 2: Convert to fraction form
    118,285.44/163,238.72 = 64,574.08/x
  3. Step 3: Cross multiply
    118,285.44x = 163,238.72 × 64,574.08
  4. Step 4: Simplify right side
    118,285.44x = 10,540,990,164.38
  5. Step 5: Solve for x
    x = 10,540,990,164.38/118,285.44
  6. Step 6: Final answer
    x = 89,114.86

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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.