Home / 99,982.55-149,973.93-40,038.10

Finding the Fourth Proportional to 99,982.55, 149,973.93 and 40,038.10

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Solution

The fourth proportional to 99,982.55, 149,973.93 and 40,038.10 is: 60,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,982.55 : 149,973.93 = 40,038.10 : x
  2. Step 2: Convert to fraction form
    99,982.55/149,973.93 = 40,038.10/x
  3. Step 3: Cross multiply
    99,982.55x = 149,973.93 × 40,038.10
  4. Step 4: Simplify right side
    99,982.55x = 6,004,670,831.80
  5. Step 5: Solve for x
    x = 6,004,670,831.80/99,982.55
  6. Step 6: Final answer
    x = 60,057.19

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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.