Home / 104,711.21-155,882.51-104,088.44

Finding the Fourth Proportional to 104,711.21, 155,882.51 and 104,088.44

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Solution

The fourth proportional to 104,711.21, 155,882.51 and 104,088.44 is: 154,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,711.21 : 155,882.51 = 104,088.44 : x
  2. Step 2: Convert to fraction form
    104,711.21/155,882.51 = 104,088.44/x
  3. Step 3: Cross multiply
    104,711.21x = 155,882.51 × 104,088.44
  4. Step 4: Simplify right side
    104,711.21x = 16,225,566,184.50
  5. Step 5: Solve for x
    x = 16,225,566,184.50/104,711.21
  6. Step 6: Final answer
    x = 154,955.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.