Home / 150,417.64-225,522.78-71,465.32

Finding the Fourth Proportional to 150,417.64, 225,522.78 and 71,465.32

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Solution

The fourth proportional to 150,417.64, 225,522.78 and 71,465.32 is: 107,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,417.64 : 225,522.78 = 71,465.32 : x
  2. Step 2: Convert to fraction form
    150,417.64/225,522.78 = 71,465.32/x
  3. Step 3: Cross multiply
    150,417.64x = 225,522.78 × 71,465.32
  4. Step 4: Simplify right side
    150,417.64x = 16,117,057,639.99
  5. Step 5: Solve for x
    x = 16,117,057,639.99/150,417.64
  6. Step 6: Final answer
    x = 107,148.72

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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.