Home / 78,006.16-116,986.92-25,420.24

Finding the Fourth Proportional to 78,006.16, 116,986.92 and 25,420.24

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Solution

The fourth proportional to 78,006.16, 116,986.92 and 25,420.24 is: 38,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,006.16 : 116,986.92 = 25,420.24 : x
  2. Step 2: Convert to fraction form
    78,006.16/116,986.92 = 25,420.24/x
  3. Step 3: Cross multiply
    78,006.16x = 116,986.92 × 25,420.24
  4. Step 4: Simplify right side
    78,006.16x = 2,973,835,583.26
  5. Step 5: Solve for x
    x = 2,973,835,583.26/78,006.16
  6. Step 6: Final answer
    x = 38,123.09

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1.5x scale

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.