Home / 151,985.70-228,108.15-67,875.30

Finding the Fourth Proportional to 151,985.70, 228,108.15 and 67,875.30

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Solution

The fourth proportional to 151,985.70, 228,108.15 and 67,875.30 is: 101,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,985.70 : 228,108.15 = 67,875.30 : x
  2. Step 2: Convert to fraction form
    151,985.70/228,108.15 = 67,875.30/x
  3. Step 3: Cross multiply
    151,985.70x = 228,108.15 × 67,875.30
  4. Step 4: Simplify right side
    151,985.70x = 15,482,909,113.70
  5. Step 5: Solve for x
    x = 15,482,909,113.70/151,985.70
  6. Step 6: Final answer
    x = 101,870.83

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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.