Home / 142,865.97-214,397.36-64,068.36

Finding the Fourth Proportional to 142,865.97, 214,397.36 and 64,068.36

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Solution

The fourth proportional to 142,865.97, 214,397.36 and 64,068.36 is: 96,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,865.97 : 214,397.36 = 64,068.36 : x
  2. Step 2: Convert to fraction form
    142,865.97/214,397.36 = 64,068.36/x
  3. Step 3: Cross multiply
    142,865.97x = 214,397.36 × 64,068.36
  4. Step 4: Simplify right side
    142,865.97x = 13,736,087,243.53
  5. Step 5: Solve for x
    x = 13,736,087,243.53/142,865.97
  6. Step 6: Final answer
    x = 96,146.67

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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.