Home / 146,423.06-202,068.51-81,012.92

Finding the Fourth Proportional to 146,423.06, 202,068.51 and 81,012.92

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Solution

The fourth proportional to 146,423.06, 202,068.51 and 81,012.92 is: 111,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,423.06 : 202,068.51 = 81,012.92 : x
  2. Step 2: Convert to fraction form
    146,423.06/202,068.51 = 81,012.92/x
  3. Step 3: Cross multiply
    146,423.06x = 202,068.51 × 81,012.92
  4. Step 4: Simplify right side
    146,423.06x = 16,370,160,035.15
  5. Step 5: Solve for x
    x = 16,370,160,035.15/146,423.06
  6. Step 6: Final answer
    x = 111,800.42

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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.