Home / 132,840.65-183,316.44-72,412.47

Finding the Fourth Proportional to 132,840.65, 183,316.44 and 72,412.47

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Solution

The fourth proportional to 132,840.65, 183,316.44 and 72,412.47 is: 99,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,840.65 : 183,316.44 = 72,412.47 : x
  2. Step 2: Convert to fraction form
    132,840.65/183,316.44 = 72,412.47/x
  3. Step 3: Cross multiply
    132,840.65x = 183,316.44 × 72,412.47
  4. Step 4: Simplify right side
    132,840.65x = 13,274,396,212.01
  5. Step 5: Solve for x
    x = 13,274,396,212.01/132,840.65
  6. Step 6: Final answer
    x = 99,927.22

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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.