Home / 117,706.32-162,434.70-63,991.17

Finding the Fourth Proportional to 117,706.32, 162,434.70 and 63,991.17

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Solution

The fourth proportional to 117,706.32, 162,434.70 and 63,991.17 is: 88,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,706.32 : 162,434.70 = 63,991.17 : x
  2. Step 2: Convert to fraction form
    117,706.32/162,434.70 = 63,991.17/x
  3. Step 3: Cross multiply
    117,706.32x = 162,434.70 × 63,991.17
  4. Step 4: Simplify right side
    117,706.32x = 10,394,386,501.60
  5. Step 5: Solve for x
    x = 10,394,386,501.60/117,706.32
  6. Step 6: Final answer
    x = 88,307.80

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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.