Home / 102,368.92-153,480.67-39,135.76

Finding the Fourth Proportional to 102,368.92, 153,480.67 and 39,135.76

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Solution

The fourth proportional to 102,368.92, 153,480.67 and 39,135.76 is: 58,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,368.92 : 153,480.67 = 39,135.76 : x
  2. Step 2: Convert to fraction form
    102,368.92/153,480.67 = 39,135.76/x
  3. Step 3: Cross multiply
    102,368.92x = 153,480.67 × 39,135.76
  4. Step 4: Simplify right side
    102,368.92x = 6,006,582,665.76
  5. Step 5: Solve for x
    x = 6,006,582,665.76/102,368.92
  6. Step 6: Final answer
    x = 58,675.84

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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.