Home / 145,390.16-218,084.99-45,558.02

Finding the Fourth Proportional to 145,390.16, 218,084.99 and 45,558.02

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Solution

The fourth proportional to 145,390.16, 218,084.99 and 45,558.02 is: 68,336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,390.16 : 218,084.99 = 45,558.02 : x
  2. Step 2: Convert to fraction form
    145,390.16/218,084.99 = 45,558.02/x
  3. Step 3: Cross multiply
    145,390.16x = 218,084.99 × 45,558.02
  4. Step 4: Simplify right side
    145,390.16x = 9,935,519,017.90
  5. Step 5: Solve for x
    x = 9,935,519,017.90/145,390.16
  6. Step 6: Final answer
    x = 68,336.94

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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.