Home / 212,932.02-319,619.57-156,835.47

Finding the Fourth Proportional to 212,932.02, 319,619.57 and 156,835.47

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Solution

The fourth proportional to 212,932.02, 319,619.57 and 156,835.47 is: 235,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,932.02 : 319,619.57 = 156,835.47 : x
  2. Step 2: Convert to fraction form
    212,932.02/319,619.57 = 156,835.47/x
  3. Step 3: Cross multiply
    212,932.02x = 319,619.57 × 156,835.47
  4. Step 4: Simplify right side
    212,932.02x = 50,127,684,697.97
  5. Step 5: Solve for x
    x = 50,127,684,697.97/212,932.02
  6. Step 6: Final answer
    x = 235,416.38

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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.