Home / 130,469.64-180,043.05-73,881.15

Finding the Fourth Proportional to 130,469.64, 180,043.05 and 73,881.15

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Solution

The fourth proportional to 130,469.64, 180,043.05 and 73,881.15 is: 101,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,469.64 : 180,043.05 = 73,881.15 : x
  2. Step 2: Convert to fraction form
    130,469.64/180,043.05 = 73,881.15/x
  3. Step 3: Cross multiply
    130,469.64x = 180,043.05 × 73,881.15
  4. Step 4: Simplify right side
    130,469.64x = 13,301,787,583.51
  5. Step 5: Solve for x
    x = 13,301,787,583.51/130,469.64
  6. Step 6: Final answer
    x = 101,953.13

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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.