Home / 104,558.78-144,289.04-56,812.47

Finding the Fourth Proportional to 104,558.78, 144,289.04 and 56,812.47

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Solution

The fourth proportional to 104,558.78, 144,289.04 and 56,812.47 is: 78,400.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,558.78 : 144,289.04 = 56,812.47 : x
  2. Step 2: Convert to fraction form
    104,558.78/144,289.04 = 56,812.47/x
  3. Step 3: Cross multiply
    104,558.78x = 144,289.04 × 56,812.47
  4. Step 4: Simplify right side
    104,558.78x = 8,197,416,756.33
  5. Step 5: Solve for x
    x = 8,197,416,756.33/104,558.78
  6. Step 6: Final answer
    x = 78,400.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.