Home / 166,838.79-230,236.37-90,356.13

Finding the Fourth Proportional to 166,838.79, 230,236.37 and 90,356.13

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Solution

The fourth proportional to 166,838.79, 230,236.37 and 90,356.13 is: 124,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,838.79 : 230,236.37 = 90,356.13 : x
  2. Step 2: Convert to fraction form
    166,838.79/230,236.37 = 90,356.13/x
  3. Step 3: Cross multiply
    166,838.79x = 230,236.37 × 90,356.13
  4. Step 4: Simplify right side
    166,838.79x = 20,803,266,926.67
  5. Step 5: Solve for x
    x = 20,803,266,926.67/166,838.79
  6. Step 6: Final answer
    x = 124,690.83

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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.