Home / 175,285.42-242,010.66-103,688.44

Finding the Fourth Proportional to 175,285.42, 242,010.66 and 103,688.44

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Solution

The fourth proportional to 175,285.42, 242,010.66 and 103,688.44 is: 143,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,285.42 : 242,010.66 = 103,688.44 : x
  2. Step 2: Convert to fraction form
    175,285.42/242,010.66 = 103,688.44/x
  3. Step 3: Cross multiply
    175,285.42x = 242,010.66 × 103,688.44
  4. Step 4: Simplify right side
    175,285.42x = 25,093,707,798.77
  5. Step 5: Solve for x
    x = 25,093,707,798.77/175,285.42
  6. Step 6: Final answer
    x = 143,159.13

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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.