Home / 146,830.76-202,723.97-112,778.36

Finding the Fourth Proportional to 146,830.76, 202,723.97 and 112,778.36

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Solution

The fourth proportional to 146,830.76, 202,723.97 and 112,778.36 is: 155,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,830.76 : 202,723.97 = 112,778.36 : x
  2. Step 2: Convert to fraction form
    146,830.76/202,723.97 = 112,778.36/x
  3. Step 3: Cross multiply
    146,830.76x = 202,723.97 × 112,778.36
  4. Step 4: Simplify right side
    146,830.76x = 22,862,875,798.59
  5. Step 5: Solve for x
    x = 22,862,875,798.59/146,830.76
  6. Step 6: Final answer
    x = 155,709.04

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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.