Home / 102,466.13-153,709.44-31,387.94

Finding the Fourth Proportional to 102,466.13, 153,709.44 and 31,387.94

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Solution

The fourth proportional to 102,466.13, 153,709.44 and 31,387.94 is: 47,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,466.13 : 153,709.44 = 31,387.94 : x
  2. Step 2: Convert to fraction form
    102,466.13/153,709.44 = 31,387.94/x
  3. Step 3: Cross multiply
    102,466.13x = 153,709.44 × 31,387.94
  4. Step 4: Simplify right side
    102,466.13x = 4,824,622,601.68
  5. Step 5: Solve for x
    x = 4,824,622,601.68/102,466.13
  6. Step 6: Final answer
    x = 47,085.05

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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.