Home / 107,225.28-147,969.84-59,477.40

Finding the Fourth Proportional to 107,225.28, 147,969.84 and 59,477.40

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Solution

The fourth proportional to 107,225.28, 147,969.84 and 59,477.40 is: 82,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,225.28 : 147,969.84 = 59,477.40 : x
  2. Step 2: Convert to fraction form
    107,225.28/147,969.84 = 59,477.40/x
  3. Step 3: Cross multiply
    107,225.28x = 147,969.84 × 59,477.40
  4. Step 4: Simplify right side
    107,225.28x = 8,800,861,361.62
  5. Step 5: Solve for x
    x = 8,800,861,361.62/107,225.28
  6. Step 6: Final answer
    x = 82,078.23

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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.