Home / 230,106.15-345,018.29-89,700.75

Finding the Fourth Proportional to 230,106.15, 345,018.29 and 89,700.75

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Solution

The fourth proportional to 230,106.15, 345,018.29 and 89,700.75 is: 134,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,106.15 : 345,018.29 = 89,700.75 : x
  2. Step 2: Convert to fraction form
    230,106.15/345,018.29 = 89,700.75/x
  3. Step 3: Cross multiply
    230,106.15x = 345,018.29 × 89,700.75
  4. Step 4: Simplify right side
    230,106.15x = 30,948,398,928.21
  5. Step 5: Solve for x
    x = 30,948,398,928.21/230,106.15
  6. Step 6: Final answer
    x = 134,496.18

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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.