Home / 228,138.90-342,094.14-70,346.85

Finding the Fourth Proportional to 228,138.90, 342,094.14 and 70,346.85

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Solution

The fourth proportional to 228,138.90, 342,094.14 and 70,346.85 is: 105,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,138.90 : 342,094.14 = 70,346.85 : x
  2. Step 2: Convert to fraction form
    228,138.90/342,094.14 = 70,346.85/x
  3. Step 3: Cross multiply
    228,138.90x = 342,094.14 × 70,346.85
  4. Step 4: Simplify right side
    228,138.90x = 24,065,245,152.46
  5. Step 5: Solve for x
    x = 24,065,245,152.46/228,138.90
  6. Step 6: Final answer
    x = 105,485.06

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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.