Home / 133,070.57-183,637.75-72,641.27

Finding the Fourth Proportional to 133,070.57, 183,637.75 and 72,641.27

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Solution

The fourth proportional to 133,070.57, 183,637.75 and 72,641.27 is: 100,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.57 : 183,637.75 = 72,641.27 : x
  2. Step 2: Convert to fraction form
    133,070.57/183,637.75 = 72,641.27/x
  3. Step 3: Cross multiply
    133,070.57x = 183,637.75 × 72,641.27
  4. Step 4: Simplify right side
    133,070.57x = 13,339,678,461.75
  5. Step 5: Solve for x
    x = 13,339,678,461.75/133,070.57
  6. Step 6: Final answer
    x = 100,245.14

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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.