Home / 120,550.62-180,838.08-31,810.26

Finding the Fourth Proportional to 120,550.62, 180,838.08 and 31,810.26

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Solution

The fourth proportional to 120,550.62, 180,838.08 and 31,810.26 is: 47,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,550.62 : 180,838.08 = 31,810.26 : x
  2. Step 2: Convert to fraction form
    120,550.62/180,838.08 = 31,810.26/x
  3. Step 3: Cross multiply
    120,550.62x = 180,838.08 × 31,810.26
  4. Step 4: Simplify right side
    120,550.62x = 5,752,506,342.70
  5. Step 5: Solve for x
    x = 5,752,506,342.70/120,550.62
  6. Step 6: Final answer
    x = 47,718.60

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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.