Home / 130,977.34-180,734.16-73,603.42

Finding the Fourth Proportional to 130,977.34, 180,734.16 and 73,603.42

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Solution

The fourth proportional to 130,977.34, 180,734.16 and 73,603.42 is: 101,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,977.34 : 180,734.16 = 73,603.42 : x
  2. Step 2: Convert to fraction form
    130,977.34/180,734.16 = 73,603.42/x
  3. Step 3: Cross multiply
    130,977.34x = 180,734.16 × 73,603.42
  4. Step 4: Simplify right side
    130,977.34x = 13,302,652,286.83
  5. Step 5: Solve for x
    x = 13,302,652,286.83/130,977.34
  6. Step 6: Final answer
    x = 101,564.53

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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.