Home / 345,669.36-518,426.16-124,053.36

Finding the Fourth Proportional to 345,669.36, 518,426.16 and 124,053.36

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Solution

The fourth proportional to 345,669.36, 518,426.16 and 124,053.36 is: 186,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,669.36 : 518,426.16 = 124,053.36 : x
  2. Step 2: Convert to fraction form
    345,669.36/518,426.16 = 124,053.36/x
  3. Step 3: Cross multiply
    345,669.36x = 518,426.16 × 124,053.36
  4. Step 4: Simplify right side
    345,669.36x = 64,312,507,059.90
  5. Step 5: Solve for x
    x = 64,312,507,059.90/345,669.36
  6. Step 6: Final answer
    x = 186,052.09

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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.