Home / 116,001.40-174,002.10-79,137.40

Finding the Fourth Proportional to 116,001.40, 174,002.10 and 79,137.40

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Solution

The fourth proportional to 116,001.40, 174,002.10 and 79,137.40 is: 118,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,001.40 : 174,002.10 = 79,137.40 : x
  2. Step 2: Convert to fraction form
    116,001.40/174,002.10 = 79,137.40/x
  3. Step 3: Cross multiply
    116,001.40x = 174,002.10 × 79,137.40
  4. Step 4: Simplify right side
    116,001.40x = 13,770,073,788.54
  5. Step 5: Solve for x
    x = 13,770,073,788.54/116,001.40
  6. Step 6: Final answer
    x = 118,706.10

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1.5x scale

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.