Home / 98,669.96-136,161.78-53,957

Finding the Fourth Proportional to 98,669.96, 136,161.78 and 53,957

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Solution

The fourth proportional to 98,669.96, 136,161.78 and 53,957 is: 74,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,669.96 : 136,161.78 = 53,957 : x
  2. Step 2: Convert to fraction form
    98,669.96/136,161.78 = 53,957/x
  3. Step 3: Cross multiply
    98,669.96x = 136,161.78 × 53,957
  4. Step 4: Simplify right side
    98,669.96x = 7,346,881,163.46
  5. Step 5: Solve for x
    x = 7,346,881,163.46/98,669.96
  6. Step 6: Final answer
    x = 74,459.15

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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.