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Finding the Fourth Proportional to 112,834, 155,710.92 and 62,536.24

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Solution

The fourth proportional to 112,834, 155,710.92 and 62,536.24 is: 86,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,834 : 155,710.92 = 62,536.24 : x
  2. Step 2: Convert to fraction form
    112,834/155,710.92 = 62,536.24/x
  3. Step 3: Cross multiply
    112,834x = 155,710.92 × 62,536.24
  4. Step 4: Simplify right side
    112,834x = 9,737,575,463.74
  5. Step 5: Solve for x
    x = 9,737,575,463.74/112,834
  6. Step 6: Final answer
    x = 86,300.01

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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.