Home / 97,407.12-146,055.12-30,864

Finding the Fourth Proportional to 97,407.12, 146,055.12 and 30,864

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Solution

The fourth proportional to 97,407.12, 146,055.12 and 30,864 is: 46,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,407.12 : 146,055.12 = 30,864 : x
  2. Step 2: Convert to fraction form
    97,407.12/146,055.12 = 30,864/x
  3. Step 3: Cross multiply
    97,407.12x = 146,055.12 × 30,864
  4. Step 4: Simplify right side
    97,407.12x = 4,507,845,223.68
  5. Step 5: Solve for x
    x = 4,507,845,223.68/97,407.12
  6. Step 6: Final answer
    x = 46,278.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.