Home / 130,622.32-180,273.90-74,044

Finding the Fourth Proportional to 130,622.32, 180,273.90 and 74,044

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Solution

The fourth proportional to 130,622.32, 180,273.90 and 74,044 is: 102,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,622.32 : 180,273.90 = 74,044 : x
  2. Step 2: Convert to fraction form
    130,622.32/180,273.90 = 74,044/x
  3. Step 3: Cross multiply
    130,622.32x = 180,273.90 × 74,044
  4. Step 4: Simplify right side
    130,622.32x = 13,348,200,651.60
  5. Step 5: Solve for x
    x = 13,348,200,651.60/130,622.32
  6. Step 6: Final answer
    x = 102,189.28

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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.