Home / 102,937.65-142,047.36-57,607.97

Finding the Fourth Proportional to 102,937.65, 142,047.36 and 57,607.97

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Solution

The fourth proportional to 102,937.65, 142,047.36 and 57,607.97 is: 79,495.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,937.65 : 142,047.36 = 57,607.97 : x
  2. Step 2: Convert to fraction form
    102,937.65/142,047.36 = 57,607.97/x
  3. Step 3: Cross multiply
    102,937.65x = 142,047.36 × 57,607.97
  4. Step 4: Simplify right side
    102,937.65x = 8,183,060,260.98
  5. Step 5: Solve for x
    x = 8,183,060,260.98/102,937.65
  6. Step 6: Final answer
    x = 79,495.31

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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.