Home / 97,090.08-145,555.20-43,785.60

Finding the Fourth Proportional to 97,090.08, 145,555.20 and 43,785.60

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Solution

The fourth proportional to 97,090.08, 145,555.20 and 43,785.60 is: 65,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,090.08 : 145,555.20 = 43,785.60 : x
  2. Step 2: Convert to fraction form
    97,090.08/145,555.20 = 43,785.60/x
  3. Step 3: Cross multiply
    97,090.08x = 145,555.20 × 43,785.60
  4. Step 4: Simplify right side
    97,090.08x = 6,373,221,765.12
  5. Step 5: Solve for x
    x = 6,373,221,765.12/97,090.08
  6. Step 6: Final answer
    x = 65,642.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.