Home / 144,044.40-198,762.93-80,384.88

Finding the Fourth Proportional to 144,044.40, 198,762.93 and 80,384.88

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Solution

The fourth proportional to 144,044.40, 198,762.93 and 80,384.88 is: 110,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,044.40 : 198,762.93 = 80,384.88 : x
  2. Step 2: Convert to fraction form
    144,044.40/198,762.93 = 80,384.88/x
  3. Step 3: Cross multiply
    144,044.40x = 198,762.93 × 80,384.88
  4. Step 4: Simplify right side
    144,044.40x = 15,977,534,276.50
  5. Step 5: Solve for x
    x = 15,977,534,276.50/144,044.40
  6. Step 6: Final answer
    x = 110,920.90

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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.