Home / 130,994.16-180,764.04-77,296

Finding the Fourth Proportional to 130,994.16, 180,764.04 and 77,296

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Solution

The fourth proportional to 130,994.16, 180,764.04 and 77,296 is: 106,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,994.16 : 180,764.04 = 77,296 : x
  2. Step 2: Convert to fraction form
    130,994.16/180,764.04 = 77,296/x
  3. Step 3: Cross multiply
    130,994.16x = 180,764.04 × 77,296
  4. Step 4: Simplify right side
    130,994.16x = 13,972,337,235.84
  5. Step 5: Solve for x
    x = 13,972,337,235.84/130,994.16
  6. Step 6: Final answer
    x = 106,663.82

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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.