Home / 145,728.18-218,600.08-45,896.16

Finding the Fourth Proportional to 145,728.18, 218,600.08 and 45,896.16

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Solution

The fourth proportional to 145,728.18, 218,600.08 and 45,896.16 is: 68,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,728.18 : 218,600.08 = 45,896.16 : x
  2. Step 2: Convert to fraction form
    145,728.18/218,600.08 = 45,896.16/x
  3. Step 3: Cross multiply
    145,728.18x = 218,600.08 × 45,896.16
  4. Step 4: Simplify right side
    145,728.18x = 10,032,903,269.43
  5. Step 5: Solve for x
    x = 10,032,903,269.43/145,728.18
  6. Step 6: Final answer
    x = 68,846.69

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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.