Home / 144,421.48-199,320.20-80,762.84

Finding the Fourth Proportional to 144,421.48, 199,320.20 and 80,762.84

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Solution

The fourth proportional to 144,421.48, 199,320.20 and 80,762.84 is: 111,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,421.48 : 199,320.20 = 80,762.84 : x
  2. Step 2: Convert to fraction form
    144,421.48/199,320.20 = 80,762.84/x
  3. Step 3: Cross multiply
    144,421.48x = 199,320.20 × 80,762.84
  4. Step 4: Simplify right side
    144,421.48x = 16,097,665,421.37
  5. Step 5: Solve for x
    x = 16,097,665,421.37/144,421.48
  6. Step 6: Final answer
    x = 111,463.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.