Home / 230,312.58-345,468.90-89,972.82

Finding the Fourth Proportional to 230,312.58, 345,468.90 and 89,972.82

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Solution

The fourth proportional to 230,312.58, 345,468.90 and 89,972.82 is: 134,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,312.58 : 345,468.90 = 89,972.82 : x
  2. Step 2: Convert to fraction form
    230,312.58/345,468.90 = 89,972.82/x
  3. Step 3: Cross multiply
    230,312.58x = 345,468.90 × 89,972.82
  4. Step 4: Simplify right side
    230,312.58x = 31,082,811,155.30
  5. Step 5: Solve for x
    x = 31,082,811,155.30/230,312.58
  6. Step 6: Final answer
    x = 134,959.24

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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.