Home / 105,653.57-158,428.61-52,283.93

Finding the Fourth Proportional to 105,653.57, 158,428.61 and 52,283.93

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Solution

The fourth proportional to 105,653.57, 158,428.61 and 52,283.93 is: 78,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,653.57 : 158,428.61 = 52,283.93 : x
  2. Step 2: Convert to fraction form
    105,653.57/158,428.61 = 52,283.93/x
  3. Step 3: Cross multiply
    105,653.57x = 158,428.61 × 52,283.93
  4. Step 4: Simplify right side
    105,653.57x = 8,283,270,388.90
  5. Step 5: Solve for x
    x = 8,283,270,388.90/105,653.57
  6. Step 6: Final answer
    x = 78,400.29

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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.