Home / 102,407.45-141,322.57-59,395.23

Finding the Fourth Proportional to 102,407.45, 141,322.57 and 59,395.23

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Solution

The fourth proportional to 102,407.45, 141,322.57 and 59,395.23 is: 81,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,407.45 : 141,322.57 = 59,395.23 : x
  2. Step 2: Convert to fraction form
    102,407.45/141,322.57 = 59,395.23/x
  3. Step 3: Cross multiply
    102,407.45x = 141,322.57 × 59,395.23
  4. Step 4: Simplify right side
    102,407.45x = 8,393,886,400.85
  5. Step 5: Solve for x
    x = 8,393,886,400.85/102,407.45
  6. Step 6: Final answer
    x = 81,965.59

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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.