Home / 145,404.16-218,105.96-45,572.04

Finding the Fourth Proportional to 145,404.16, 218,105.96 and 45,572.04

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Solution

The fourth proportional to 145,404.16, 218,105.96 and 45,572.04 is: 68,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,404.16 : 218,105.96 = 45,572.04 : x
  2. Step 2: Convert to fraction form
    145,404.16/218,105.96 = 45,572.04/x
  3. Step 3: Cross multiply
    145,404.16x = 218,105.96 × 45,572.04
  4. Step 4: Simplify right side
    145,404.16x = 9,939,533,533.36
  5. Step 5: Solve for x
    x = 9,939,533,533.36/145,404.16
  6. Step 6: Final answer
    x = 68,357.97

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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.