Home / 230,115.21-317,561.36-134,603.25

Finding the Fourth Proportional to 230,115.21, 317,561.36 and 134,603.25

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Solution

The fourth proportional to 230,115.21, 317,561.36 and 134,603.25 is: 185,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,115.21 : 317,561.36 = 134,603.25 : x
  2. Step 2: Convert to fraction form
    230,115.21/317,561.36 = 134,603.25/x
  3. Step 3: Cross multiply
    230,115.21x = 317,561.36 × 134,603.25
  4. Step 4: Simplify right side
    230,115.21x = 42,744,790,457.40
  5. Step 5: Solve for x
    x = 42,744,790,457.40/230,115.21
  6. Step 6: Final answer
    x = 185,753.87

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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.