Home / 109,126-150,583.12-61,378.32

Finding the Fourth Proportional to 109,126, 150,583.12 and 61,378.32

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Solution

The fourth proportional to 109,126, 150,583.12 and 61,378.32 is: 84,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,126 : 150,583.12 = 61,378.32 : x
  2. Step 2: Convert to fraction form
    109,126/150,583.12 = 61,378.32/x
  3. Step 3: Cross multiply
    109,126x = 150,583.12 × 61,378.32
  4. Step 4: Simplify right side
    109,126x = 9,242,538,925.96
  5. Step 5: Solve for x
    x = 9,242,538,925.96/109,126
  6. Step 6: Final answer
    x = 84,696.03

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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.