Home / 136,707.03-188,655.48-76,274.01

Finding the Fourth Proportional to 136,707.03, 188,655.48 and 76,274.01

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Solution

The fourth proportional to 136,707.03, 188,655.48 and 76,274.01 is: 105,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,707.03 : 188,655.48 = 76,274.01 : x
  2. Step 2: Convert to fraction form
    136,707.03/188,655.48 = 76,274.01/x
  3. Step 3: Cross multiply
    136,707.03x = 188,655.48 × 76,274.01
  4. Step 4: Simplify right side
    136,707.03x = 14,389,509,968.07
  5. Step 5: Solve for x
    x = 14,389,509,968.07/136,707.03
  6. Step 6: Final answer
    x = 105,258.01

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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.