Home / 154,064.70-231,485.85-97,931.70

Finding the Fourth Proportional to 154,064.70, 231,485.85 and 97,931.70

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Solution

The fourth proportional to 154,064.70, 231,485.85 and 97,931.70 is: 147,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,064.70 : 231,485.85 = 97,931.70 : x
  2. Step 2: Convert to fraction form
    154,064.70/231,485.85 = 97,931.70/x
  3. Step 3: Cross multiply
    154,064.70x = 231,485.85 × 97,931.70
  4. Step 4: Simplify right side
    154,064.70x = 22,669,802,816.45
  5. Step 5: Solve for x
    x = 22,669,802,816.45/154,064.70
  6. Step 6: Final answer
    x = 147,144.69

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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.