Home / 162,615.20-243,995.22-103,435.52

Finding the Fourth Proportional to 162,615.20, 243,995.22 and 103,435.52

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Solution

The fourth proportional to 162,615.20, 243,995.22 and 103,435.52 is: 155,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,615.20 : 243,995.22 = 103,435.52 : x
  2. Step 2: Convert to fraction form
    162,615.20/243,995.22 = 103,435.52/x
  3. Step 3: Cross multiply
    162,615.20x = 243,995.22 × 103,435.52
  4. Step 4: Simplify right side
    162,615.20x = 25,237,772,458.21
  5. Step 5: Solve for x
    x = 25,237,772,458.21/162,615.20
  6. Step 6: Final answer
    x = 155,199.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.