Home / 102,903.25-154,266.16-39,767.67

Finding the Fourth Proportional to 102,903.25, 154,266.16 and 39,767.67

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Solution

The fourth proportional to 102,903.25, 154,266.16 and 39,767.67 is: 59,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,903.25 : 154,266.16 = 39,767.67 : x
  2. Step 2: Convert to fraction form
    102,903.25/154,266.16 = 39,767.67/x
  3. Step 3: Cross multiply
    102,903.25x = 154,266.16 × 39,767.67
  4. Step 4: Simplify right side
    102,903.25x = 6,134,805,879.21
  5. Step 5: Solve for x
    x = 6,134,805,879.21/102,903.25
  6. Step 6: Final answer
    x = 59,617.22

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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.