Home / 99,271.53-148,908.81-31,816.24

Finding the Fourth Proportional to 99,271.53, 148,908.81 and 31,816.24

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Solution

The fourth proportional to 99,271.53, 148,908.81 and 31,816.24 is: 47,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,271.53 : 148,908.81 = 31,816.24 : x
  2. Step 2: Convert to fraction form
    99,271.53/148,908.81 = 31,816.24/x
  3. Step 3: Cross multiply
    99,271.53x = 148,908.81 × 31,816.24
  4. Step 4: Simplify right side
    99,271.53x = 4,737,718,437.07
  5. Step 5: Solve for x
    x = 4,737,718,437.07/99,271.53
  6. Step 6: Final answer
    x = 47,724.85

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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.