Home / 102,084.36-153,126.51-31,969.14

Finding the Fourth Proportional to 102,084.36, 153,126.51 and 31,969.14

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Solution

The fourth proportional to 102,084.36, 153,126.51 and 31,969.14 is: 47,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,084.36 : 153,126.51 = 31,969.14 : x
  2. Step 2: Convert to fraction form
    102,084.36/153,126.51 = 31,969.14/x
  3. Step 3: Cross multiply
    102,084.36x = 153,126.51 × 31,969.14
  4. Step 4: Simplify right side
    102,084.36x = 4,895,322,835.90
  5. Step 5: Solve for x
    x = 4,895,322,835.90/102,084.36
  6. Step 6: Final answer
    x = 47,953.70

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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.