Home / 102,535.47-141,499.29-57,212.63

Finding the Fourth Proportional to 102,535.47, 141,499.29 and 57,212.63

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Solution

The fourth proportional to 102,535.47, 141,499.29 and 57,212.63 is: 78,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,535.47 : 141,499.29 = 57,212.63 : x
  2. Step 2: Convert to fraction form
    102,535.47/141,499.29 = 57,212.63/x
  3. Step 3: Cross multiply
    102,535.47x = 141,499.29 × 57,212.63
  4. Step 4: Simplify right side
    102,535.47x = 8,095,545,530.47
  5. Step 5: Solve for x
    x = 8,095,545,530.47/102,535.47
  6. Step 6: Final answer
    x = 78,953.61

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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.