Home / 111,369.36-153,687.84-62,970.50

Finding the Fourth Proportional to 111,369.36, 153,687.84 and 62,970.50

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Solution

The fourth proportional to 111,369.36, 153,687.84 and 62,970.50 is: 86,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,369.36 : 153,687.84 = 62,970.50 : x
  2. Step 2: Convert to fraction form
    111,369.36/153,687.84 = 62,970.50/x
  3. Step 3: Cross multiply
    111,369.36x = 153,687.84 × 62,970.50
  4. Step 4: Simplify right side
    111,369.36x = 9,677,800,128.72
  5. Step 5: Solve for x
    x = 9,677,800,128.72/111,369.36
  6. Step 6: Final answer
    x = 86,898.23

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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.