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Finding the Fourth Proportional to 130,111.08, 179,602.84 and 84,800.10

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Solution

The fourth proportional to 130,111.08, 179,602.84 and 84,800.10 is: 117,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,111.08 : 179,602.84 = 84,800.10 : x
  2. Step 2: Convert to fraction form
    130,111.08/179,602.84 = 84,800.10/x
  3. Step 3: Cross multiply
    130,111.08x = 179,602.84 × 84,800.10
  4. Step 4: Simplify right side
    130,111.08x = 15,230,338,792.28
  5. Step 5: Solve for x
    x = 15,230,338,792.28/130,111.08
  6. Step 6: Final answer
    x = 117,056.43

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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.