Home / 145,878.23-218,854.25-40,697.12

Finding the Fourth Proportional to 145,878.23, 218,854.25 and 40,697.12

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Solution

The fourth proportional to 145,878.23, 218,854.25 and 40,697.12 is: 61,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,878.23 : 218,854.25 = 40,697.12 : x
  2. Step 2: Convert to fraction form
    145,878.23/218,854.25 = 40,697.12/x
  3. Step 3: Cross multiply
    145,878.23x = 218,854.25 × 40,697.12
  4. Step 4: Simplify right side
    145,878.23x = 8,906,738,171.02
  5. Step 5: Solve for x
    x = 8,906,738,171.02/145,878.23
  6. Step 6: Final answer
    x = 61,055.98

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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.