Home / 145,830.60-218,739.42-40,647.24

Finding the Fourth Proportional to 145,830.60, 218,739.42 and 40,647.24

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Solution

The fourth proportional to 145,830.60, 218,739.42 and 40,647.24 is: 60,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,830.60 : 218,739.42 = 40,647.24 : x
  2. Step 2: Convert to fraction form
    145,830.60/218,739.42 = 40,647.24/x
  3. Step 3: Cross multiply
    145,830.60x = 218,739.42 × 40,647.24
  4. Step 4: Simplify right side
    145,830.60x = 8,891,153,702.20
  5. Step 5: Solve for x
    x = 8,891,153,702.20/145,830.60
  6. Step 6: Final answer
    x = 60,969.05

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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.