Home / 152,514.30-228,880.80-85,883.70

Finding the Fourth Proportional to 152,514.30, 228,880.80 and 85,883.70

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Solution

The fourth proportional to 152,514.30, 228,880.80 and 85,883.70 is: 128,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,514.30 : 228,880.80 = 85,883.70 : x
  2. Step 2: Convert to fraction form
    152,514.30/228,880.80 = 85,883.70/x
  3. Step 3: Cross multiply
    152,514.30x = 228,880.80 × 85,883.70
  4. Step 4: Simplify right side
    152,514.30x = 19,657,129,962.96
  5. Step 5: Solve for x
    x = 19,657,129,962.96/152,514.30
  6. Step 6: Final answer
    x = 128,887.13

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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.