Home / 131,607.46-181,640.63-74,263.04

Finding the Fourth Proportional to 131,607.46, 181,640.63 and 74,263.04

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Solution

The fourth proportional to 131,607.46, 181,640.63 and 74,263.04 is: 102,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,607.46 : 181,640.63 = 74,263.04 : x
  2. Step 2: Convert to fraction form
    131,607.46/181,640.63 = 74,263.04/x
  3. Step 3: Cross multiply
    131,607.46x = 181,640.63 × 74,263.04
  4. Step 4: Simplify right side
    131,607.46x = 13,489,184,091.80
  5. Step 5: Solve for x
    x = 13,489,184,091.80/131,607.46
  6. Step 6: Final answer
    x = 102,495.59

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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.