Home / 120,296.19-180,362.27-61,017.55

Finding the Fourth Proportional to 120,296.19, 180,362.27 and 61,017.55

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Solution

The fourth proportional to 120,296.19, 180,362.27 and 61,017.55 is: 91,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,296.19 : 180,362.27 = 61,017.55 : x
  2. Step 2: Convert to fraction form
    120,296.19/180,362.27 = 61,017.55/x
  3. Step 3: Cross multiply
    120,296.19x = 180,362.27 × 61,017.55
  4. Step 4: Simplify right side
    120,296.19x = 11,005,263,522.75
  5. Step 5: Solve for x
    x = 11,005,263,522.75/120,296.19
  6. Step 6: Final answer
    x = 91,484.73

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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.