Home / 139,666.19-192,743.37-76,008.02

Finding the Fourth Proportional to 139,666.19, 192,743.37 and 76,008.02

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Solution

The fourth proportional to 139,666.19, 192,743.37 and 76,008.02 is: 104,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,666.19 : 192,743.37 = 76,008.02 : x
  2. Step 2: Convert to fraction form
    139,666.19/192,743.37 = 76,008.02/x
  3. Step 3: Cross multiply
    139,666.19x = 192,743.37 × 76,008.02
  4. Step 4: Simplify right side
    139,666.19x = 14,650,041,541.79
  5. Step 5: Solve for x
    x = 14,650,041,541.79/139,666.19
  6. Step 6: Final answer
    x = 104,893.26

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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.