Home / 144,000.08-198,720.23-80,337.89

Finding the Fourth Proportional to 144,000.08, 198,720.23 and 80,337.89

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Solution

The fourth proportional to 144,000.08, 198,720.23 and 80,337.89 is: 110,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,000.08 : 198,720.23 = 80,337.89 : x
  2. Step 2: Convert to fraction form
    144,000.08/198,720.23 = 80,337.89/x
  3. Step 3: Cross multiply
    144,000.08x = 198,720.23 × 80,337.89
  4. Step 4: Simplify right side
    144,000.08x = 15,964,763,978.51
  5. Step 5: Solve for x
    x = 15,964,763,978.51/144,000.08
  6. Step 6: Final answer
    x = 110,866.35

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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.