Home / 131,947.09-182,085.02-74,584.40

Finding the Fourth Proportional to 131,947.09, 182,085.02 and 74,584.40

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Solution

The fourth proportional to 131,947.09, 182,085.02 and 74,584.40 is: 102,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,947.09 : 182,085.02 = 74,584.40 : x
  2. Step 2: Convert to fraction form
    131,947.09/182,085.02 = 74,584.40/x
  3. Step 3: Cross multiply
    131,947.09x = 182,085.02 × 74,584.40
  4. Step 4: Simplify right side
    131,947.09x = 13,580,702,572.79
  5. Step 5: Solve for x
    x = 13,580,702,572.79/131,947.09
  6. Step 6: Final answer
    x = 102,925.36

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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.