Home / 132,529.24-182,830.08-78,783.76

Finding the Fourth Proportional to 132,529.24, 182,830.08 and 78,783.76

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Solution

The fourth proportional to 132,529.24, 182,830.08 and 78,783.76 is: 108,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,529.24 : 182,830.08 = 78,783.76 : x
  2. Step 2: Convert to fraction form
    132,529.24/182,830.08 = 78,783.76/x
  3. Step 3: Cross multiply
    132,529.24x = 182,830.08 × 78,783.76
  4. Step 4: Simplify right side
    132,529.24x = 14,404,041,143.50
  5. Step 5: Solve for x
    x = 14,404,041,143.50/132,529.24
  6. Step 6: Final answer
    x = 108,685.76

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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.