Home / 106,888.72-160,328.48-28,001.20

Finding the Fourth Proportional to 106,888.72, 160,328.48 and 28,001.20

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Solution

The fourth proportional to 106,888.72, 160,328.48 and 28,001.20 is: 42,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,888.72 : 160,328.48 = 28,001.20 : x
  2. Step 2: Convert to fraction form
    106,888.72/160,328.48 = 28,001.20/x
  3. Step 3: Cross multiply
    106,888.72x = 160,328.48 × 28,001.20
  4. Step 4: Simplify right side
    106,888.72x = 4,489,389,834.18
  5. Step 5: Solve for x
    x = 4,489,389,834.18/106,888.72
  6. Step 6: Final answer
    x = 42,000.59

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1.5x scale

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.