Home / 120,287.41-180,430.31-94,014.25

Finding the Fourth Proportional to 120,287.41, 180,430.31 and 94,014.25

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Solution

The fourth proportional to 120,287.41, 180,430.31 and 94,014.25 is: 141,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,287.41 : 180,430.31 = 94,014.25 : x
  2. Step 2: Convert to fraction form
    120,287.41/180,430.31 = 94,014.25/x
  3. Step 3: Cross multiply
    120,287.41x = 180,430.31 × 94,014.25
  4. Step 4: Simplify right side
    120,287.41x = 16,963,019,801.85
  5. Step 5: Solve for x
    x = 16,963,019,801.85/120,287.41
  6. Step 6: Final answer
    x = 141,020.74

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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.