Home / 115,022.04-158,735.60-64,038.08

Finding the Fourth Proportional to 115,022.04, 158,735.60 and 64,038.08

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Solution

The fourth proportional to 115,022.04, 158,735.60 and 64,038.08 is: 88,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,022.04 : 158,735.60 = 64,038.08 : x
  2. Step 2: Convert to fraction form
    115,022.04/158,735.60 = 64,038.08/x
  3. Step 3: Cross multiply
    115,022.04x = 158,735.60 × 64,038.08
  4. Step 4: Simplify right side
    115,022.04x = 10,165,122,475.55
  5. Step 5: Solve for x
    x = 10,165,122,475.55/115,022.04
  6. Step 6: Final answer
    x = 88,375.43

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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.