Home / 155,631.80-233,447.70-146,415.80

Finding the Fourth Proportional to 155,631.80, 233,447.70 and 146,415.80

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Solution

The fourth proportional to 155,631.80, 233,447.70 and 146,415.80 is: 219,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,631.80 : 233,447.70 = 146,415.80 : x
  2. Step 2: Convert to fraction form
    155,631.80/233,447.70 = 146,415.80/x
  3. Step 3: Cross multiply
    155,631.80x = 233,447.70 × 146,415.80
  4. Step 4: Simplify right side
    155,631.80x = 34,180,431,753.66
  5. Step 5: Solve for x
    x = 34,180,431,753.66/155,631.80
  6. Step 6: Final answer
    x = 219,623.70

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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.