Home / 145,573.48-200,895.32-81,913.52

Finding the Fourth Proportional to 145,573.48, 200,895.32 and 81,913.52

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Solution

The fourth proportional to 145,573.48, 200,895.32 and 81,913.52 is: 113,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,573.48 : 200,895.32 = 81,913.52 : x
  2. Step 2: Convert to fraction form
    145,573.48/200,895.32 = 81,913.52/x
  3. Step 3: Cross multiply
    145,573.48x = 200,895.32 × 81,913.52
  4. Step 4: Simplify right side
    145,573.48x = 16,456,042,812.73
  5. Step 5: Solve for x
    x = 16,456,042,812.73/145,573.48
  6. Step 6: Final answer
    x = 113,042.86

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1.5x scale

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.