Home / 134,852.07-202,215.53-78,708.41

Finding the Fourth Proportional to 134,852.07, 202,215.53 and 78,708.41

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Solution

The fourth proportional to 134,852.07, 202,215.53 and 78,708.41 is: 118,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,852.07 : 202,215.53 = 78,708.41 : x
  2. Step 2: Convert to fraction form
    134,852.07/202,215.53 = 78,708.41/x
  3. Step 3: Cross multiply
    134,852.07x = 202,215.53 × 78,708.41
  4. Step 4: Simplify right side
    134,852.07x = 15,916,061,438.99
  5. Step 5: Solve for x
    x = 15,916,061,438.99/134,852.07
  6. Step 6: Final answer
    x = 118,026.08

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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.