Home / 52,089.56-78,136.50-15,153.56

Finding the Fourth Proportional to 52,089.56, 78,136.50 and 15,153.56

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Solution

The fourth proportional to 52,089.56, 78,136.50 and 15,153.56 is: 22,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.56 : 78,136.50 = 15,153.56 : x
  2. Step 2: Convert to fraction form
    52,089.56/78,136.50 = 15,153.56/x
  3. Step 3: Cross multiply
    52,089.56x = 78,136.50 × 15,153.56
  4. Step 4: Simplify right side
    52,089.56x = 1,184,046,140.94
  5. Step 5: Solve for x
    x = 1,184,046,140.94/52,089.56
  6. Step 6: Final answer
    x = 22,730.97

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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.