Home / 144,188.04-198,977.40-80,526.72

Finding the Fourth Proportional to 144,188.04, 198,977.40 and 80,526.72

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Solution

The fourth proportional to 144,188.04, 198,977.40 and 80,526.72 is: 111,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,188.04 : 198,977.40 = 80,526.72 : x
  2. Step 2: Convert to fraction form
    144,188.04/198,977.40 = 80,526.72/x
  3. Step 3: Cross multiply
    144,188.04x = 198,977.40 × 80,526.72
  4. Step 4: Simplify right side
    144,188.04x = 16,022,997,376.13
  5. Step 5: Solve for x
    x = 16,022,997,376.13/144,188.04
  6. Step 6: Final answer
    x = 111,125.70

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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.