Home / 130,919.07-180,657.23-73,553.91

Finding the Fourth Proportional to 130,919.07, 180,657.23 and 73,553.91

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Solution

The fourth proportional to 130,919.07, 180,657.23 and 73,553.91 is: 101,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,919.07 : 180,657.23 = 73,553.91 : x
  2. Step 2: Convert to fraction form
    130,919.07/180,657.23 = 73,553.91/x
  3. Step 3: Cross multiply
    130,919.07x = 180,657.23 × 73,553.91
  4. Step 4: Simplify right side
    130,919.07x = 13,288,045,636.27
  5. Step 5: Solve for x
    x = 13,288,045,636.27/130,919.07
  6. Step 6: Final answer
    x = 101,498.17

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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.