Home / 131,582.91-181,584.25-71,153.40

Finding the Fourth Proportional to 131,582.91, 181,584.25 and 71,153.40

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Solution

The fourth proportional to 131,582.91, 181,584.25 and 71,153.40 is: 98,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,582.91 : 181,584.25 = 71,153.40 : x
  2. Step 2: Convert to fraction form
    131,582.91/181,584.25 = 71,153.40/x
  3. Step 3: Cross multiply
    131,582.91x = 181,584.25 × 71,153.40
  4. Step 4: Simplify right side
    131,582.91x = 12,920,337,277.01
  5. Step 5: Solve for x
    x = 12,920,337,277.01/131,582.91
  6. Step 6: Final answer
    x = 98,191.60

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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.