Home / 145,617.81-218,441.62-55,736.04

Finding the Fourth Proportional to 145,617.81, 218,441.62 and 55,736.04

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Solution

The fourth proportional to 145,617.81, 218,441.62 and 55,736.04 is: 83,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,617.81 : 218,441.62 = 55,736.04 : x
  2. Step 2: Convert to fraction form
    145,617.81/218,441.62 = 55,736.04/x
  3. Step 3: Cross multiply
    145,617.81x = 218,441.62 × 55,736.04
  4. Step 4: Simplify right side
    145,617.81x = 12,175,071,683.60
  5. Step 5: Solve for x
    x = 12,175,071,683.60/145,617.81
  6. Step 6: Final answer
    x = 83,609.77

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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.