Home / 120,263.32-180,405.60-31,516.48

Finding the Fourth Proportional to 120,263.32, 180,405.60 and 31,516.48

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Solution

The fourth proportional to 120,263.32, 180,405.60 and 31,516.48 is: 47,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,263.32 : 180,405.60 = 31,516.48 : x
  2. Step 2: Convert to fraction form
    120,263.32/180,405.60 = 31,516.48/x
  3. Step 3: Cross multiply
    120,263.32x = 180,405.60 × 31,516.48
  4. Step 4: Simplify right side
    120,263.32x = 5,685,749,484.29
  5. Step 5: Solve for x
    x = 5,685,749,484.29/120,263.32
  6. Step 6: Final answer
    x = 47,277.50

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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.