Home / 242,569.18-334,749.16-139,219.97

Finding the Fourth Proportional to 242,569.18, 334,749.16 and 139,219.97

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Solution

The fourth proportional to 242,569.18, 334,749.16 and 139,219.97 is: 192,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,569.18 : 334,749.16 = 139,219.97 : x
  2. Step 2: Convert to fraction form
    242,569.18/334,749.16 = 139,219.97/x
  3. Step 3: Cross multiply
    242,569.18x = 334,749.16 × 139,219.97
  4. Step 4: Simplify right side
    242,569.18x = 46,603,765,729.89
  5. Step 5: Solve for x
    x = 46,603,765,729.89/242,569.18
  6. Step 6: Final answer
    x = 192,125.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.