Home / 145,575.48-200,898.08-81,915.52

Finding the Fourth Proportional to 145,575.48, 200,898.08 and 81,915.52

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Solution

The fourth proportional to 145,575.48, 200,898.08 and 81,915.52 is: 113,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,575.48 : 200,898.08 = 81,915.52 : x
  2. Step 2: Convert to fraction form
    145,575.48/200,898.08 = 81,915.52/x
  3. Step 3: Cross multiply
    145,575.48x = 200,898.08 × 81,915.52
  4. Step 4: Simplify right side
    145,575.48x = 16,456,670,690.20
  5. Step 5: Solve for x
    x = 16,456,670,690.20/145,575.48
  6. Step 6: Final answer
    x = 113,045.62

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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.