Home / 104,438.09-144,124.74-56,691.47

Finding the Fourth Proportional to 104,438.09, 144,124.74 and 56,691.47

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Solution

The fourth proportional to 104,438.09, 144,124.74 and 56,691.47 is: 78,234.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,438.09 : 144,124.74 = 56,691.47 : x
  2. Step 2: Convert to fraction form
    104,438.09/144,124.74 = 56,691.47/x
  3. Step 3: Cross multiply
    104,438.09x = 144,124.74 × 56,691.47
  4. Step 4: Simplify right side
    104,438.09x = 8,170,642,653.34
  5. Step 5: Solve for x
    x = 8,170,642,653.34/104,438.09
  6. Step 6: Final answer
    x = 78,234.32

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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.