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Finding the Fourth Proportional to 130,044.36, 179,461.44 and 70,428.36

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Solution

The fourth proportional to 130,044.36, 179,461.44 and 70,428.36 is: 97,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,044.36 : 179,461.44 = 70,428.36 : x
  2. Step 2: Convert to fraction form
    130,044.36/179,461.44 = 70,428.36/x
  3. Step 3: Cross multiply
    130,044.36x = 179,461.44 × 70,428.36
  4. Step 4: Simplify right side
    130,044.36x = 12,639,174,902.44
  5. Step 5: Solve for x
    x = 12,639,174,902.44/130,044.36
  6. Step 6: Final answer
    x = 97,191.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.