Home / 103,528.98-155,182.74-53,558.76

Finding the Fourth Proportional to 103,528.98, 155,182.74 and 53,558.76

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Solution

The fourth proportional to 103,528.98, 155,182.74 and 53,558.76 is: 80,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,528.98 : 155,182.74 = 53,558.76 : x
  2. Step 2: Convert to fraction form
    103,528.98/155,182.74 = 53,558.76/x
  3. Step 3: Cross multiply
    103,528.98x = 155,182.74 × 53,558.76
  4. Step 4: Simplify right side
    103,528.98x = 8,311,395,127.80
  5. Step 5: Solve for x
    x = 8,311,395,127.80/103,528.98
  6. Step 6: Final answer
    x = 80,280.86

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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.