Home / 229,065.50-343,642.98-69,154.40

Finding the Fourth Proportional to 229,065.50, 343,642.98 and 69,154.40

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Solution

The fourth proportional to 229,065.50, 343,642.98 and 69,154.40 is: 103,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,065.50 : 343,642.98 = 69,154.40 : x
  2. Step 2: Convert to fraction form
    229,065.50/343,642.98 = 69,154.40/x
  3. Step 3: Cross multiply
    229,065.50x = 343,642.98 × 69,154.40
  4. Step 4: Simplify right side
    229,065.50x = 23,764,424,096.11
  5. Step 5: Solve for x
    x = 23,764,424,096.11/229,065.50
  6. Step 6: Final answer
    x = 103,745.10

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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.