Home / 134,489.02-185,539.22-80,030.38

Finding the Fourth Proportional to 134,489.02, 185,539.22 and 80,030.38

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Solution

The fourth proportional to 134,489.02, 185,539.22 and 80,030.38 is: 110,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,489.02 : 185,539.22 = 80,030.38 : x
  2. Step 2: Convert to fraction form
    134,489.02/185,539.22 = 80,030.38/x
  3. Step 3: Cross multiply
    134,489.02x = 185,539.22 × 80,030.38
  4. Step 4: Simplify right side
    134,489.02x = 14,848,774,281.50
  5. Step 5: Solve for x
    x = 14,848,774,281.50/134,489.02
  6. Step 6: Final answer
    x = 110,408.82

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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.