Home / 145,608.03-218,411.81-45,776.94

Finding the Fourth Proportional to 145,608.03, 218,411.81 and 45,776.94

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Solution

The fourth proportional to 145,608.03, 218,411.81 and 45,776.94 is: 68,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,608.03 : 218,411.81 = 45,776.94 : x
  2. Step 2: Convert to fraction form
    145,608.03/218,411.81 = 45,776.94/x
  3. Step 3: Cross multiply
    145,608.03x = 218,411.81 × 45,776.94
  4. Step 4: Simplify right side
    145,608.03x = 9,998,224,092.78
  5. Step 5: Solve for x
    x = 9,998,224,092.78/145,608.03
  6. Step 6: Final answer
    x = 68,665.33

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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.