Home / 104,382.86-144,044.47-56,635.18

Finding the Fourth Proportional to 104,382.86, 144,044.47 and 56,635.18

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Solution

The fourth proportional to 104,382.86, 144,044.47 and 56,635.18 is: 78,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,382.86 : 144,044.47 = 56,635.18 : x
  2. Step 2: Convert to fraction form
    104,382.86/144,044.47 = 56,635.18/x
  3. Step 3: Cross multiply
    104,382.86x = 144,044.47 × 56,635.18
  4. Step 4: Simplify right side
    104,382.86x = 8,157,984,197.14
  5. Step 5: Solve for x
    x = 8,157,984,197.14/104,382.86
  6. Step 6: Final answer
    x = 78,154.45

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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.