Home / 102,737.16-154,120.73-31,665.74

Finding the Fourth Proportional to 102,737.16, 154,120.73 and 31,665.74

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Solution

The fourth proportional to 102,737.16, 154,120.73 and 31,665.74 is: 47,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,737.16 : 154,120.73 = 31,665.74 : x
  2. Step 2: Convert to fraction form
    102,737.16/154,120.73 = 31,665.74/x
  3. Step 3: Cross multiply
    102,737.16x = 154,120.73 × 31,665.74
  4. Step 4: Simplify right side
    102,737.16x = 4,880,346,035.86
  5. Step 5: Solve for x
    x = 4,880,346,035.86/102,737.16
  6. Step 6: Final answer
    x = 47,503.22

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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.