Home / 102,153.96-153,323.64-52,268.52

Finding the Fourth Proportional to 102,153.96, 153,323.64 and 52,268.52

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Solution

The fourth proportional to 102,153.96, 153,323.64 and 52,268.52 is: 78,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,153.96 : 153,323.64 = 52,268.52 : x
  2. Step 2: Convert to fraction form
    102,153.96/153,323.64 = 52,268.52/x
  3. Step 3: Cross multiply
    102,153.96x = 153,323.64 × 52,268.52
  4. Step 4: Simplify right side
    102,153.96x = 8,013,999,743.81
  5. Step 5: Solve for x
    x = 8,013,999,743.81/102,153.96
  6. Step 6: Final answer
    x = 78,450.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.