Home / 132,805.95-183,272.21-72,376.59

Finding the Fourth Proportional to 132,805.95, 183,272.21 and 72,376.59

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Solution

The fourth proportional to 132,805.95, 183,272.21 and 72,376.59 is: 99,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,805.95 : 183,272.21 = 72,376.59 : x
  2. Step 2: Convert to fraction form
    132,805.95/183,272.21 = 72,376.59/x
  3. Step 3: Cross multiply
    132,805.95x = 183,272.21 × 72,376.59
  4. Step 4: Simplify right side
    132,805.95x = 13,264,617,601.56
  5. Step 5: Solve for x
    x = 13,264,617,601.56/132,805.95
  6. Step 6: Final answer
    x = 99,879.69

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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.