Home / 154,997.16-213,841.02-101,313.12

Finding the Fourth Proportional to 154,997.16, 213,841.02 and 101,313.12

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Solution

The fourth proportional to 154,997.16, 213,841.02 and 101,313.12 is: 139,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,997.16 : 213,841.02 = 101,313.12 : x
  2. Step 2: Convert to fraction form
    154,997.16/213,841.02 = 101,313.12/x
  3. Step 3: Cross multiply
    154,997.16x = 213,841.02 × 101,313.12
  4. Step 4: Simplify right side
    154,997.16x = 21,664,900,920.18
  5. Step 5: Solve for x
    x = 21,664,900,920.18/154,997.16
  6. Step 6: Final answer
    x = 139,776.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.