Home / 152,207.35-228,312.56-67,971.78

Finding the Fourth Proportional to 152,207.35, 228,312.56 and 67,971.78

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Solution

The fourth proportional to 152,207.35, 228,312.56 and 67,971.78 is: 101,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,207.35 : 228,312.56 = 67,971.78 : x
  2. Step 2: Convert to fraction form
    152,207.35/228,312.56 = 67,971.78/x
  3. Step 3: Cross multiply
    152,207.35x = 228,312.56 × 67,971.78
  4. Step 4: Simplify right side
    152,207.35x = 15,518,810,887.15
  5. Step 5: Solve for x
    x = 15,518,810,887.15/152,207.35
  6. Step 6: Final answer
    x = 101,958.35

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1.5x scale

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.