Home / 130,965.06-180,753.46-77,263.22

Finding the Fourth Proportional to 130,965.06, 180,753.46 and 77,263.22

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Solution

The fourth proportional to 130,965.06, 180,753.46 and 77,263.22 is: 106,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,965.06 : 180,753.46 = 77,263.22 : x
  2. Step 2: Convert to fraction form
    130,965.06/180,753.46 = 77,263.22/x
  3. Step 3: Cross multiply
    130,965.06x = 180,753.46 × 77,263.22
  4. Step 4: Simplify right side
    130,965.06x = 13,965,594,345.74
  5. Step 5: Solve for x
    x = 13,965,594,345.74/130,965.06
  6. Step 6: Final answer
    x = 106,636.03

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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.