Home / 163,315.20-225,319.68-103,733.76

Finding the Fourth Proportional to 163,315.20, 225,319.68 and 103,733.76

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Solution

The fourth proportional to 163,315.20, 225,319.68 and 103,733.76 is: 143,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,315.20 : 225,319.68 = 103,733.76 : x
  2. Step 2: Convert to fraction form
    163,315.20/225,319.68 = 103,733.76/x
  3. Step 3: Cross multiply
    163,315.20x = 225,319.68 × 103,733.76
  4. Step 4: Simplify right side
    163,315.20x = 23,373,257,608.40
  5. Step 5: Solve for x
    x = 23,373,257,608.40/163,315.20
  6. Step 6: Final answer
    x = 143,117.47

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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.