Home / 132,990.95-183,502.38-79,280.96

Finding the Fourth Proportional to 132,990.95, 183,502.38 and 79,280.96

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Solution

The fourth proportional to 132,990.95, 183,502.38 and 79,280.96 is: 109,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,990.95 : 183,502.38 = 79,280.96 : x
  2. Step 2: Convert to fraction form
    132,990.95/183,502.38 = 79,280.96/x
  3. Step 3: Cross multiply
    132,990.95x = 183,502.38 × 79,280.96
  4. Step 4: Simplify right side
    132,990.95x = 14,548,243,931.17
  5. Step 5: Solve for x
    x = 14,548,243,931.17/132,990.95
  6. Step 6: Final answer
    x = 109,392.74

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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.