Home / 245,027.70-367,455.15-87,261.30

Finding the Fourth Proportional to 245,027.70, 367,455.15 and 87,261.30

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Solution

The fourth proportional to 245,027.70, 367,455.15 and 87,261.30 is: 130,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,027.70 : 367,455.15 = 87,261.30 : x
  2. Step 2: Convert to fraction form
    245,027.70/367,455.15 = 87,261.30/x
  3. Step 3: Cross multiply
    245,027.70x = 367,455.15 × 87,261.30
  4. Step 4: Simplify right side
    245,027.70x = 32,064,614,080.70
  5. Step 5: Solve for x
    x = 32,064,614,080.70/245,027.70
  6. Step 6: Final answer
    x = 130,861.18

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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.