Home / 102,084.86-153,127.26-31,969.64

Finding the Fourth Proportional to 102,084.86, 153,127.26 and 31,969.64

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Solution

The fourth proportional to 102,084.86, 153,127.26 and 31,969.64 is: 47,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,084.86 : 153,127.26 = 31,969.64 : x
  2. Step 2: Convert to fraction form
    102,084.86/153,127.26 = 31,969.64/x
  3. Step 3: Cross multiply
    102,084.86x = 153,127.26 × 31,969.64
  4. Step 4: Simplify right side
    102,084.86x = 4,895,423,376.39
  5. Step 5: Solve for x
    x = 4,895,423,376.39/102,084.86
  6. Step 6: Final answer
    x = 47,954.45

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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.