Home / 112,907.07-155,794.05-65,151.36

Finding the Fourth Proportional to 112,907.07, 155,794.05 and 65,151.36

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Solution

The fourth proportional to 112,907.07, 155,794.05 and 65,151.36 is: 89,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,907.07 : 155,794.05 = 65,151.36 : x
  2. Step 2: Convert to fraction form
    112,907.07/155,794.05 = 65,151.36/x
  3. Step 3: Cross multiply
    112,907.07x = 155,794.05 × 65,151.36
  4. Step 4: Simplify right side
    112,907.07x = 10,150,194,237.41
  5. Step 5: Solve for x
    x = 10,150,194,237.41/112,907.07
  6. Step 6: Final answer
    x = 89,898.66

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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.