Home / 144,977.60-217,466.40-39,807.20

Finding the Fourth Proportional to 144,977.60, 217,466.40 and 39,807.20

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Solution

The fourth proportional to 144,977.60, 217,466.40 and 39,807.20 is: 59,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,977.60 : 217,466.40 = 39,807.20 : x
  2. Step 2: Convert to fraction form
    144,977.60/217,466.40 = 39,807.20/x
  3. Step 3: Cross multiply
    144,977.60x = 217,466.40 × 39,807.20
  4. Step 4: Simplify right side
    144,977.60x = 8,656,728,478.08
  5. Step 5: Solve for x
    x = 8,656,728,478.08/144,977.60
  6. Step 6: Final answer
    x = 59,710.80

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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.