Home / 115,090.32-158,814.48-64,099.20

Finding the Fourth Proportional to 115,090.32, 158,814.48 and 64,099.20

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Solution

The fourth proportional to 115,090.32, 158,814.48 and 64,099.20 is: 88,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,090.32 : 158,814.48 = 64,099.20 : x
  2. Step 2: Convert to fraction form
    115,090.32/158,814.48 = 64,099.20/x
  3. Step 3: Cross multiply
    115,090.32x = 158,814.48 × 64,099.20
  4. Step 4: Simplify right side
    115,090.32x = 10,179,881,116.42
  5. Step 5: Solve for x
    x = 10,179,881,116.42/115,090.32
  6. Step 6: Final answer
    x = 88,451.24

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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.