Home / 148,366.64-204,743.76-80,381.72

Finding the Fourth Proportional to 148,366.64, 204,743.76 and 80,381.72

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Solution

The fourth proportional to 148,366.64, 204,743.76 and 80,381.72 is: 110,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,366.64 : 204,743.76 = 80,381.72 : x
  2. Step 2: Convert to fraction form
    148,366.64/204,743.76 = 80,381.72/x
  3. Step 3: Cross multiply
    148,366.64x = 204,743.76 × 80,381.72
  4. Step 4: Simplify right side
    148,366.64x = 16,457,655,588.07
  5. Step 5: Solve for x
    x = 16,457,655,588.07/148,366.64
  6. Step 6: Final answer
    x = 110,925.58

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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.