Home / 142,916.40-197,313.80-92,017.36

Finding the Fourth Proportional to 142,916.40, 197,313.80 and 92,017.36

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Solution

The fourth proportional to 142,916.40, 197,313.80 and 92,017.36 is: 127,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,916.40 : 197,313.80 = 92,017.36 : x
  2. Step 2: Convert to fraction form
    142,916.40/197,313.80 = 92,017.36/x
  3. Step 3: Cross multiply
    142,916.40x = 197,313.80 × 92,017.36
  4. Step 4: Simplify right side
    142,916.40x = 18,156,294,967.57
  5. Step 5: Solve for x
    x = 18,156,294,967.57/142,916.40
  6. Step 6: Final answer
    x = 127,041.37

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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.