Home / 103,526.40-155,289.60-47,366.40

Finding the Fourth Proportional to 103,526.40, 155,289.60 and 47,366.40

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Solution

The fourth proportional to 103,526.40, 155,289.60 and 47,366.40 is: 71,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,526.40 : 155,289.60 = 47,366.40 : x
  2. Step 2: Convert to fraction form
    103,526.40/155,289.60 = 47,366.40/x
  3. Step 3: Cross multiply
    103,526.40x = 155,289.60 × 47,366.40
  4. Step 4: Simplify right side
    103,526.40x = 7,355,509,309.44
  5. Step 5: Solve for x
    x = 7,355,509,309.44/103,526.40
  6. Step 6: Final answer
    x = 71,049.60

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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.