Home / 112,532.44-155,333.88-64,804.80

Finding the Fourth Proportional to 112,532.44, 155,333.88 and 64,804.80

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Solution

The fourth proportional to 112,532.44, 155,333.88 and 64,804.80 is: 89,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,532.44 : 155,333.88 = 64,804.80 : x
  2. Step 2: Convert to fraction form
    112,532.44/155,333.88 = 64,804.80/x
  3. Step 3: Cross multiply
    112,532.44x = 155,333.88 × 64,804.80
  4. Step 4: Simplify right side
    112,532.44x = 10,066,381,026.62
  5. Step 5: Solve for x
    x = 10,066,381,026.62/112,532.44
  6. Step 6: Final answer
    x = 89,453.15

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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.