Home / 228,138.15-342,093-70,346.10

Finding the Fourth Proportional to 228,138.15, 342,093 and 70,346.10

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Solution

The fourth proportional to 228,138.15, 342,093 and 70,346.10 is: 105,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,138.15 : 342,093 = 70,346.10 : x
  2. Step 2: Convert to fraction form
    228,138.15/342,093 = 70,346.10/x
  3. Step 3: Cross multiply
    228,138.15x = 342,093 × 70,346.10
  4. Step 4: Simplify right side
    228,138.15x = 24,064,908,387.30
  5. Step 5: Solve for x
    x = 24,064,908,387.30/228,138.15
  6. Step 6: Final answer
    x = 105,483.93

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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.