Home / 148,047.44-204,307.08-80,065.72

Finding the Fourth Proportional to 148,047.44, 204,307.08 and 80,065.72

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Solution

The fourth proportional to 148,047.44, 204,307.08 and 80,065.72 is: 110,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,047.44 : 204,307.08 = 80,065.72 : x
  2. Step 2: Convert to fraction form
    148,047.44/204,307.08 = 80,065.72/x
  3. Step 3: Cross multiply
    148,047.44x = 204,307.08 × 80,065.72
  4. Step 4: Simplify right side
    148,047.44x = 16,357,993,461.30
  5. Step 5: Solve for x
    x = 16,357,993,461.30/148,047.44
  6. Step 6: Final answer
    x = 110,491.57

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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.