Home / 134,511.50-185,638.83-74,895.50

Finding the Fourth Proportional to 134,511.50, 185,638.83 and 74,895.50

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Solution

The fourth proportional to 134,511.50, 185,638.83 and 74,895.50 is: 103,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,511.50 : 185,638.83 = 74,895.50 : x
  2. Step 2: Convert to fraction form
    134,511.50/185,638.83 = 74,895.50/x
  3. Step 3: Cross multiply
    134,511.50x = 185,638.83 × 74,895.50
  4. Step 4: Simplify right side
    134,511.50x = 13,903,512,992.27
  5. Step 5: Solve for x
    x = 13,903,512,992.27/134,511.50
  6. Step 6: Final answer
    x = 103,363.01

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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.