Home / 102,322.85-153,489.96-31,256.28

Finding the Fourth Proportional to 102,322.85, 153,489.96 and 31,256.28

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Solution

The fourth proportional to 102,322.85, 153,489.96 and 31,256.28 is: 46,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,322.85 : 153,489.96 = 31,256.28 : x
  2. Step 2: Convert to fraction form
    102,322.85/153,489.96 = 31,256.28/x
  3. Step 3: Cross multiply
    102,322.85x = 153,489.96 × 31,256.28
  4. Step 4: Simplify right side
    102,322.85x = 4,797,525,166.95
  5. Step 5: Solve for x
    x = 4,797,525,166.95/102,322.85
  6. Step 6: Final answer
    x = 46,886.16

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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.