Home / 117,715.50-162,411.48-66,720.06

Finding the Fourth Proportional to 117,715.50, 162,411.48 and 66,720.06

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Solution

The fourth proportional to 117,715.50, 162,411.48 and 66,720.06 is: 92,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,715.50 : 162,411.48 = 66,720.06 : x
  2. Step 2: Convert to fraction form
    117,715.50/162,411.48 = 66,720.06/x
  3. Step 3: Cross multiply
    117,715.50x = 162,411.48 × 66,720.06
  4. Step 4: Simplify right side
    117,715.50x = 10,836,103,690.29
  5. Step 5: Solve for x
    x = 10,836,103,690.29/117,715.50
  6. Step 6: Final answer
    x = 92,053.33

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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.