Home / 104,088.62-156,140.83-40,878.25

Finding the Fourth Proportional to 104,088.62, 156,140.83 and 40,878.25

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Solution

The fourth proportional to 104,088.62, 156,140.83 and 40,878.25 is: 61,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,088.62 : 156,140.83 = 40,878.25 : x
  2. Step 2: Convert to fraction form
    104,088.62/156,140.83 = 40,878.25/x
  3. Step 3: Cross multiply
    104,088.62x = 156,140.83 × 40,878.25
  4. Step 4: Simplify right side
    104,088.62x = 6,382,763,544.69
  5. Step 5: Solve for x
    x = 6,382,763,544.69/104,088.62
  6. Step 6: Final answer
    x = 61,320.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.