Home / 144,288.63-216,432.93-39,107.60

Finding the Fourth Proportional to 144,288.63, 216,432.93 and 39,107.60

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Solution

The fourth proportional to 144,288.63, 216,432.93 and 39,107.60 is: 58,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,288.63 : 216,432.93 = 39,107.60 : x
  2. Step 2: Convert to fraction form
    144,288.63/216,432.93 = 39,107.60/x
  3. Step 3: Cross multiply
    144,288.63x = 216,432.93 × 39,107.60
  4. Step 4: Simplify right side
    144,288.63x = 8,464,171,371.10
  5. Step 5: Solve for x
    x = 8,464,171,371.10/144,288.63
  6. Step 6: Final answer
    x = 58,661.39

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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.