Home / 150,124.32-207,098.64-99,156.96

Finding the Fourth Proportional to 150,124.32, 207,098.64 and 99,156.96

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Solution

The fourth proportional to 150,124.32, 207,098.64 and 99,156.96 is: 136,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,124.32 : 207,098.64 = 99,156.96 : x
  2. Step 2: Convert to fraction form
    150,124.32/207,098.64 = 99,156.96/x
  3. Step 3: Cross multiply
    150,124.32x = 207,098.64 × 99,156.96
  4. Step 4: Simplify right side
    150,124.32x = 20,535,271,562.53
  5. Step 5: Solve for x
    x = 20,535,271,562.53/150,124.32
  6. Step 6: Final answer
    x = 136,788.44

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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.