Home / 109,364.80-150,937.76-61,627.36

Finding the Fourth Proportional to 109,364.80, 150,937.76 and 61,627.36

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Solution

The fourth proportional to 109,364.80, 150,937.76 and 61,627.36 is: 85,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,364.80 : 150,937.76 = 61,627.36 : x
  2. Step 2: Convert to fraction form
    109,364.80/150,937.76 = 61,627.36/x
  3. Step 3: Cross multiply
    109,364.80x = 150,937.76 × 61,627.36
  4. Step 4: Simplify right side
    109,364.80x = 9,301,895,673.11
  5. Step 5: Solve for x
    x = 9,301,895,673.11/109,364.80
  6. Step 6: Final answer
    x = 85,053.84

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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.