Home / 102,717.06-153,823.86-84,838.32

Finding the Fourth Proportional to 102,717.06, 153,823.86 and 84,838.32

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Solution

The fourth proportional to 102,717.06, 153,823.86 and 84,838.32 is: 127,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,717.06 : 153,823.86 = 84,838.32 : x
  2. Step 2: Convert to fraction form
    102,717.06/153,823.86 = 84,838.32/x
  3. Step 3: Cross multiply
    102,717.06x = 153,823.86 × 84,838.32
  4. Step 4: Simplify right side
    102,717.06x = 13,050,157,858.32
  5. Step 5: Solve for x
    x = 13,050,157,858.32/102,717.06
  6. Step 6: Final answer
    x = 127,049.57

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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.