Home / 132,630.48-183,025.62-78,903.18

Finding the Fourth Proportional to 132,630.48, 183,025.62 and 78,903.18

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Solution

The fourth proportional to 132,630.48, 183,025.62 and 78,903.18 is: 108,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,630.48 : 183,025.62 = 78,903.18 : x
  2. Step 2: Convert to fraction form
    132,630.48/183,025.62 = 78,903.18/x
  3. Step 3: Cross multiply
    132,630.48x = 183,025.62 × 78,903.18
  4. Step 4: Simplify right side
    132,630.48x = 14,441,303,439.47
  5. Step 5: Solve for x
    x = 14,441,303,439.47/132,630.48
  6. Step 6: Final answer
    x = 108,883.75

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1.5x scale

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.