Home / 103,391.82-155,088.51-56,619.18

Finding the Fourth Proportional to 103,391.82, 155,088.51 and 56,619.18

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Solution

The fourth proportional to 103,391.82, 155,088.51 and 56,619.18 is: 84,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,391.82 : 155,088.51 = 56,619.18 : x
  2. Step 2: Convert to fraction form
    103,391.82/155,088.51 = 56,619.18/x
  3. Step 3: Cross multiply
    103,391.82x = 155,088.51 × 56,619.18
  4. Step 4: Simplify right side
    103,391.82x = 8,780,984,263.62
  5. Step 5: Solve for x
    x = 8,780,984,263.62/103,391.82
  6. Step 6: Final answer
    x = 84,929.20

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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.