Home / 78,366.28-108,130.26-46,545.16

Finding the Fourth Proportional to 78,366.28, 108,130.26 and 46,545.16

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Solution

The fourth proportional to 78,366.28, 108,130.26 and 46,545.16 is: 64,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,366.28 : 108,130.26 = 46,545.16 : x
  2. Step 2: Convert to fraction form
    78,366.28/108,130.26 = 46,545.16/x
  3. Step 3: Cross multiply
    78,366.28x = 108,130.26 × 46,545.16
  4. Step 4: Simplify right side
    78,366.28x = 5,032,940,252.54
  5. Step 5: Solve for x
    x = 5,032,940,252.54/78,366.28
  6. Step 6: Final answer
    x = 64,223.29

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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.