Home / 102,330.23-153,491.88-31,250.00

Finding the Fourth Proportional to 102,330.23, 153,491.88 and 31,250.00

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Solution

The fourth proportional to 102,330.23, 153,491.88 and 31,250.00 is: 46,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,330.23 : 153,491.88 = 31,250.00 : x
  2. Step 2: Convert to fraction form
    102,330.23/153,491.88 = 31,250.00/x
  3. Step 3: Cross multiply
    102,330.23x = 153,491.88 × 31,250.00
  4. Step 4: Simplify right side
    102,330.23x = 4,796,621,633.73
  5. Step 5: Solve for x
    x = 4,796,621,633.73/102,330.23
  6. Step 6: Final answer
    x = 46,873.94

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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.