Home / 137,899.86-190,214.10-114,869.94

Finding the Fourth Proportional to 137,899.86, 190,214.10 and 114,869.94

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Solution

The fourth proportional to 137,899.86, 190,214.10 and 114,869.94 is: 158,447.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,899.86 : 190,214.10 = 114,869.94 : x
  2. Step 2: Convert to fraction form
    137,899.86/190,214.10 = 114,869.94/x
  3. Step 3: Cross multiply
    137,899.86x = 190,214.10 × 114,869.94
  4. Step 4: Simplify right side
    137,899.86x = 21,849,882,254.15
  5. Step 5: Solve for x
    x = 21,849,882,254.15/137,899.86
  6. Step 6: Final answer
    x = 158,447.46

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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.