Home / 212,728.77-293,565.70-117,235.46

Finding the Fourth Proportional to 212,728.77, 293,565.70 and 117,235.46

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Solution

The fourth proportional to 212,728.77, 293,565.70 and 117,235.46 is: 161,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,728.77 : 293,565.70 = 117,235.46 : x
  2. Step 2: Convert to fraction form
    212,728.77/293,565.70 = 117,235.46/x
  3. Step 3: Cross multiply
    212,728.77x = 293,565.70 × 117,235.46
  4. Step 4: Simplify right side
    212,728.77x = 34,416,309,879.72
  5. Step 5: Solve for x
    x = 34,416,309,879.72/212,728.77
  6. Step 6: Final answer
    x = 161,784.93

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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.