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Finding the Fourth Proportional to 124,035.40, 186,053.10 and 117,620.20

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Solution

The fourth proportional to 124,035.40, 186,053.10 and 117,620.20 is: 176,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,035.40 : 186,053.10 = 117,620.20 : x
  2. Step 2: Convert to fraction form
    124,035.40/186,053.10 = 117,620.20/x
  3. Step 3: Cross multiply
    124,035.40x = 186,053.10 × 117,620.20
  4. Step 4: Simplify right side
    124,035.40x = 21,883,602,832.62
  5. Step 5: Solve for x
    x = 21,883,602,832.62/124,035.40
  6. Step 6: Final answer
    x = 176,430.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.