Home / 145,175.64-217,763.46-39,994.62

Finding the Fourth Proportional to 145,175.64, 217,763.46 and 39,994.62

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Solution

The fourth proportional to 145,175.64, 217,763.46 and 39,994.62 is: 59,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,175.64 : 217,763.46 = 39,994.62 : x
  2. Step 2: Convert to fraction form
    145,175.64/217,763.46 = 39,994.62/x
  3. Step 3: Cross multiply
    145,175.64x = 217,763.46 × 39,994.62
  4. Step 4: Simplify right side
    145,175.64x = 8,709,366,832.59
  5. Step 5: Solve for x
    x = 8,709,366,832.59/145,175.64
  6. Step 6: Final answer
    x = 59,991.93

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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.