Home / 230,417.62-345,501.36-103,909.85

Finding the Fourth Proportional to 230,417.62, 345,501.36 and 103,909.85

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Solution

The fourth proportional to 230,417.62, 345,501.36 and 103,909.85 is: 155,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,417.62 : 345,501.36 = 103,909.85 : x
  2. Step 2: Convert to fraction form
    230,417.62/345,501.36 = 103,909.85/x
  3. Step 3: Cross multiply
    230,417.62x = 345,501.36 × 103,909.85
  4. Step 4: Simplify right side
    230,417.62x = 35,900,993,326.65
  5. Step 5: Solve for x
    x = 35,900,993,326.65/230,417.62
  6. Step 6: Final answer
    x = 155,808.37

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1.5x scale

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.