Home / 250,345.08-345,476.58-137,167.80

Finding the Fourth Proportional to 250,345.08, 345,476.58 and 137,167.80

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Solution

The fourth proportional to 250,345.08, 345,476.58 and 137,167.80 is: 189,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,345.08 : 345,476.58 = 137,167.80 : x
  2. Step 2: Convert to fraction form
    250,345.08/345,476.58 = 137,167.80/x
  3. Step 3: Cross multiply
    250,345.08x = 345,476.58 × 137,167.80
  4. Step 4: Simplify right side
    250,345.08x = 47,388,262,430.12
  5. Step 5: Solve for x
    x = 47,388,262,430.12/250,345.08
  6. Step 6: Final answer
    x = 189,291.77

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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.