Home / 104,684.23-144,460.05-56,937.61

Finding the Fourth Proportional to 104,684.23, 144,460.05 and 56,937.61

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Solution

The fourth proportional to 104,684.23, 144,460.05 and 56,937.61 is: 78,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,684.23 : 144,460.05 = 56,937.61 : x
  2. Step 2: Convert to fraction form
    104,684.23/144,460.05 = 56,937.61/x
  3. Step 3: Cross multiply
    104,684.23x = 144,460.05 × 56,937.61
  4. Step 4: Simplify right side
    104,684.23x = 8,225,209,987.48
  5. Step 5: Solve for x
    x = 8,225,209,987.48/104,684.23
  6. Step 6: Final answer
    x = 78,571.62

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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.