Home / 152,147.28-228,220.92-118,817.40

Finding the Fourth Proportional to 152,147.28, 228,220.92 and 118,817.40

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Solution

The fourth proportional to 152,147.28, 228,220.92 and 118,817.40 is: 178,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,147.28 : 228,220.92 = 118,817.40 : x
  2. Step 2: Convert to fraction form
    152,147.28/228,220.92 = 118,817.40/x
  3. Step 3: Cross multiply
    152,147.28x = 228,220.92 × 118,817.40
  4. Step 4: Simplify right side
    152,147.28x = 27,116,616,340.01
  5. Step 5: Solve for x
    x = 27,116,616,340.01/152,147.28
  6. Step 6: Final answer
    x = 178,226.10

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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.