Home / 112,943.08-155,864.82-62,641

Finding the Fourth Proportional to 112,943.08, 155,864.82 and 62,641

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Solution

The fourth proportional to 112,943.08, 155,864.82 and 62,641 is: 86,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,943.08 : 155,864.82 = 62,641 : x
  2. Step 2: Convert to fraction form
    112,943.08/155,864.82 = 62,641/x
  3. Step 3: Cross multiply
    112,943.08x = 155,864.82 × 62,641
  4. Step 4: Simplify right side
    112,943.08x = 9,763,528,189.62
  5. Step 5: Solve for x
    x = 9,763,528,189.62/112,943.08
  6. Step 6: Final answer
    x = 86,446.45

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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.