Home / 142,302.64-212,990.58-104,847.76

Finding the Fourth Proportional to 142,302.64, 212,990.58 and 104,847.76

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Solution

The fourth proportional to 142,302.64, 212,990.58 and 104,847.76 is: 156,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,302.64 : 212,990.58 = 104,847.76 : x
  2. Step 2: Convert to fraction form
    142,302.64/212,990.58 = 104,847.76/x
  3. Step 3: Cross multiply
    142,302.64x = 212,990.58 × 104,847.76
  4. Step 4: Simplify right side
    142,302.64x = 22,331,585,214.10
  5. Step 5: Solve for x
    x = 22,331,585,214.10/142,302.64
  6. Step 6: Final answer
    x = 156,930.22

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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.