Home / 120,307.44-180,342.12-57,016.32

Finding the Fourth Proportional to 120,307.44, 180,342.12 and 57,016.32

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Solution

The fourth proportional to 120,307.44, 180,342.12 and 57,016.32 is: 85,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,307.44 : 180,342.12 = 57,016.32 : x
  2. Step 2: Convert to fraction form
    120,307.44/180,342.12 = 57,016.32/x
  3. Step 3: Cross multiply
    120,307.44x = 180,342.12 × 57,016.32
  4. Step 4: Simplify right side
    120,307.44x = 10,282,444,023.40
  5. Step 5: Solve for x
    x = 10,282,444,023.40/120,307.44
  6. Step 6: Final answer
    x = 85,468.06

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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.