Home / 245,184.80-367,777.20-87,356.30

Finding the Fourth Proportional to 245,184.80, 367,777.20 and 87,356.30

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Solution

The fourth proportional to 245,184.80, 367,777.20 and 87,356.30 is: 131,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,184.80 : 367,777.20 = 87,356.30 : x
  2. Step 2: Convert to fraction form
    245,184.80/367,777.20 = 87,356.30/x
  3. Step 3: Cross multiply
    245,184.80x = 367,777.20 × 87,356.30
  4. Step 4: Simplify right side
    245,184.80x = 32,127,655,416.36
  5. Step 5: Solve for x
    x = 32,127,655,416.36/245,184.80
  6. Step 6: Final answer
    x = 131,034.45

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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.