Home / 102,476.66-152,696.28-91,297.45

Finding the Fourth Proportional to 102,476.66, 152,696.28 and 91,297.45

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Solution

The fourth proportional to 102,476.66, 152,696.28 and 91,297.45 is: 136,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,476.66 : 152,696.28 = 91,297.45 : x
  2. Step 2: Convert to fraction form
    102,476.66/152,696.28 = 91,297.45/x
  3. Step 3: Cross multiply
    102,476.66x = 152,696.28 × 91,297.45
  4. Step 4: Simplify right side
    102,476.66x = 13,940,780,606.75
  5. Step 5: Solve for x
    x = 13,940,780,606.75/102,476.66
  6. Step 6: Final answer
    x = 136,038.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.