Home / 144,900.23-199,943.24-80,368.70

Finding the Fourth Proportional to 144,900.23, 199,943.24 and 80,368.70

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Solution

The fourth proportional to 144,900.23, 199,943.24 and 80,368.70 is: 110,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,900.23 : 199,943.24 = 80,368.70 : x
  2. Step 2: Convert to fraction form
    144,900.23/199,943.24 = 80,368.70/x
  3. Step 3: Cross multiply
    144,900.23x = 199,943.24 × 80,368.70
  4. Step 4: Simplify right side
    144,900.23x = 16,069,176,871.03
  5. Step 5: Solve for x
    x = 16,069,176,871.03/144,900.23
  6. Step 6: Final answer
    x = 110,898.22

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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.