Home / 109,364.98-150,918.09-61,621.15

Finding the Fourth Proportional to 109,364.98, 150,918.09 and 61,621.15

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Solution

The fourth proportional to 109,364.98, 150,918.09 and 61,621.15 is: 85,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,364.98 : 150,918.09 = 61,621.15 : x
  2. Step 2: Convert to fraction form
    109,364.98/150,918.09 = 61,621.15/x
  3. Step 3: Cross multiply
    109,364.98x = 150,918.09 × 61,621.15
  4. Step 4: Simplify right side
    109,364.98x = 9,299,746,261.60
  5. Step 5: Solve for x
    x = 9,299,746,261.60/109,364.98
  6. Step 6: Final answer
    x = 85,034.04

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1.5x scale

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.