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Finding the Fourth Proportional to 144,336.96, 216,509.76 and 39,155.52

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Solution

The fourth proportional to 144,336.96, 216,509.76 and 39,155.52 is: 58,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,336.96 : 216,509.76 = 39,155.52 : x
  2. Step 2: Convert to fraction form
    144,336.96/216,509.76 = 39,155.52/x
  3. Step 3: Cross multiply
    144,336.96x = 216,509.76 × 39,155.52
  4. Step 4: Simplify right side
    144,336.96x = 8,477,552,237.88
  5. Step 5: Solve for x
    x = 8,477,552,237.88/144,336.96
  6. Step 6: Final answer
    x = 58,734.45

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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.