Home / 201,916.10-302,871.45-61,675.40

Finding the Fourth Proportional to 201,916.10, 302,871.45 and 61,675.40

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Solution

The fourth proportional to 201,916.10, 302,871.45 and 61,675.40 is: 92,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,916.10 : 302,871.45 = 61,675.40 : x
  2. Step 2: Convert to fraction form
    201,916.10/302,871.45 = 61,675.40/x
  3. Step 3: Cross multiply
    201,916.10x = 302,871.45 × 61,675.40
  4. Step 4: Simplify right side
    201,916.10x = 18,679,717,827.33
  5. Step 5: Solve for x
    x = 18,679,717,827.33/201,916.10
  6. Step 6: Final answer
    x = 92,512.28

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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.