Home / 113,039.06-156,010.14-67,718.97

Finding the Fourth Proportional to 113,039.06, 156,010.14 and 67,718.97

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Solution

The fourth proportional to 113,039.06, 156,010.14 and 67,718.97 is: 93,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,039.06 : 156,010.14 = 67,718.97 : x
  2. Step 2: Convert to fraction form
    113,039.06/156,010.14 = 67,718.97/x
  3. Step 3: Cross multiply
    113,039.06x = 156,010.14 × 67,718.97
  4. Step 4: Simplify right side
    113,039.06x = 10,564,845,990.36
  5. Step 5: Solve for x
    x = 10,564,845,990.36/113,039.06
  6. Step 6: Final answer
    x = 93,461.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.