Home / 149,490.02-207,186.72-146,690.66

Finding the Fourth Proportional to 149,490.02, 207,186.72 and 146,690.66

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Solution

The fourth proportional to 149,490.02, 207,186.72 and 146,690.66 is: 203,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,490.02 : 207,186.72 = 146,690.66 : x
  2. Step 2: Convert to fraction form
    149,490.02/207,186.72 = 146,690.66/x
  3. Step 3: Cross multiply
    149,490.02x = 207,186.72 × 146,690.66
  4. Step 4: Simplify right side
    149,490.02x = 30,392,356,700.04
  5. Step 5: Solve for x
    x = 30,392,356,700.04/149,490.02
  6. Step 6: Final answer
    x = 203,306.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.