Home / 231,285.02-319,185.52-140,625.98

Finding the Fourth Proportional to 231,285.02, 319,185.52 and 140,625.98

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Solution

The fourth proportional to 231,285.02, 319,185.52 and 140,625.98 is: 194,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,285.02 : 319,185.52 = 140,625.98 : x
  2. Step 2: Convert to fraction form
    231,285.02/319,185.52 = 140,625.98/x
  3. Step 3: Cross multiply
    231,285.02x = 319,185.52 × 140,625.98
  4. Step 4: Simplify right side
    231,285.02x = 44,885,774,604.32
  5. Step 5: Solve for x
    x = 44,885,774,604.32/231,285.02
  6. Step 6: Final answer
    x = 194,071.26

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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.