Home / 147,949.08-204,173.70-90,587.16

Finding the Fourth Proportional to 147,949.08, 204,173.70 and 90,587.16

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Solution

The fourth proportional to 147,949.08, 204,173.70 and 90,587.16 is: 125,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,949.08 : 204,173.70 = 90,587.16 : x
  2. Step 2: Convert to fraction form
    147,949.08/204,173.70 = 90,587.16/x
  3. Step 3: Cross multiply
    147,949.08x = 204,173.70 × 90,587.16
  4. Step 4: Simplify right side
    147,949.08x = 18,495,515,629.69
  5. Step 5: Solve for x
    x = 18,495,515,629.69/147,949.08
  6. Step 6: Final answer
    x = 125,012.71

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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.