Home / 199,541.51-299,312.31-133,111.43

Finding the Fourth Proportional to 199,541.51, 299,312.31 and 133,111.43

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Solution

The fourth proportional to 199,541.51, 299,312.31 and 133,111.43 is: 199,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,541.51 : 299,312.31 = 133,111.43 : x
  2. Step 2: Convert to fraction form
    199,541.51/299,312.31 = 133,111.43/x
  3. Step 3: Cross multiply
    199,541.51x = 299,312.31 × 133,111.43
  4. Step 4: Simplify right side
    199,541.51x = 39,841,889,600.70
  5. Step 5: Solve for x
    x = 39,841,889,600.70/199,541.51
  6. Step 6: Final answer
    x = 199,667.18

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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.