Home / 152,644.96-228,670.98-85,881.52

Finding the Fourth Proportional to 152,644.96, 228,670.98 and 85,881.52

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Solution

The fourth proportional to 152,644.96, 228,670.98 and 85,881.52 is: 128,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,644.96 : 228,670.98 = 85,881.52 : x
  2. Step 2: Convert to fraction form
    152,644.96/228,670.98 = 85,881.52/x
  3. Step 3: Cross multiply
    152,644.96x = 228,670.98 × 85,881.52
  4. Step 4: Simplify right side
    152,644.96x = 19,638,611,342.29
  5. Step 5: Solve for x
    x = 19,638,611,342.29/152,644.96
  6. Step 6: Final answer
    x = 128,655.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.