Home / 147,743.50-203,886.12-80,675.50

Finding the Fourth Proportional to 147,743.50, 203,886.12 and 80,675.50

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Solution

The fourth proportional to 147,743.50, 203,886.12 and 80,675.50 is: 111,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743.50 : 203,886.12 = 80,675.50 : x
  2. Step 2: Convert to fraction form
    147,743.50/203,886.12 = 80,675.50/x
  3. Step 3: Cross multiply
    147,743.50x = 203,886.12 × 80,675.50
  4. Step 4: Simplify right side
    147,743.50x = 16,448,614,674.06
  5. Step 5: Solve for x
    x = 16,448,614,674.06/147,743.50
  6. Step 6: Final answer
    x = 111,332.24

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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.