Home / 102,597.47-153,950.37-72,804.23

Finding the Fourth Proportional to 102,597.47, 153,950.37 and 72,804.23

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Solution

The fourth proportional to 102,597.47, 153,950.37 and 72,804.23 is: 109,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,597.47 : 153,950.37 = 72,804.23 : x
  2. Step 2: Convert to fraction form
    102,597.47/153,950.37 = 72,804.23/x
  3. Step 3: Cross multiply
    102,597.47x = 153,950.37 × 72,804.23
  4. Step 4: Simplify right side
    102,597.47x = 11,208,237,376.31
  5. Step 5: Solve for x
    x = 11,208,237,376.31/102,597.47
  6. Step 6: Final answer
    x = 109,244.78

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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.