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Finding the Fourth Proportional to 133,053, 183,613.14 and 73,437

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Solution

The fourth proportional to 133,053, 183,613.14 and 73,437 is: 101,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053 : 183,613.14 = 73,437 : x
  2. Step 2: Convert to fraction form
    133,053/183,613.14 = 73,437/x
  3. Step 3: Cross multiply
    133,053x = 183,613.14 × 73,437
  4. Step 4: Simplify right side
    133,053x = 13,483,998,162.18
  5. Step 5: Solve for x
    x = 13,483,998,162.18/133,053
  6. Step 6: Final answer
    x = 101,343.06

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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.