Home / 217,384.08-299,989.75-120,602.61

Finding the Fourth Proportional to 217,384.08, 299,989.75 and 120,602.61

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Solution

The fourth proportional to 217,384.08, 299,989.75 and 120,602.61 is: 166,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,384.08 : 299,989.75 = 120,602.61 : x
  2. Step 2: Convert to fraction form
    217,384.08/299,989.75 = 120,602.61/x
  3. Step 3: Cross multiply
    217,384.08x = 299,989.75 × 120,602.61
  4. Step 4: Simplify right side
    217,384.08x = 36,179,546,670.72
  5. Step 5: Solve for x
    x = 36,179,546,670.72/217,384.08
  6. Step 6: Final answer
    x = 166,431.45

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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.