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Finding the Fourth Proportional to 141,534.30, 212,301.45 and 43,038.30

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Solution

The fourth proportional to 141,534.30, 212,301.45 and 43,038.30 is: 64,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,534.30 : 212,301.45 = 43,038.30 : x
  2. Step 2: Convert to fraction form
    141,534.30/212,301.45 = 43,038.30/x
  3. Step 3: Cross multiply
    141,534.30x = 212,301.45 × 43,038.30
  4. Step 4: Simplify right side
    141,534.30x = 9,137,093,495.54
  5. Step 5: Solve for x
    x = 9,137,093,495.54/141,534.30
  6. Step 6: Final answer
    x = 64,557.45

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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.