Home / 215,562.78-297,477.27-118,763.37

Finding the Fourth Proportional to 215,562.78, 297,477.27 and 118,763.37

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Solution

The fourth proportional to 215,562.78, 297,477.27 and 118,763.37 is: 163,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,562.78 : 297,477.27 = 118,763.37 : x
  2. Step 2: Convert to fraction form
    215,562.78/297,477.27 = 118,763.37/x
  3. Step 3: Cross multiply
    215,562.78x = 297,477.27 × 118,763.37
  4. Step 4: Simplify right side
    215,562.78x = 35,329,403,083.60
  5. Step 5: Solve for x
    x = 35,329,403,083.60/215,562.78
  6. Step 6: Final answer
    x = 163,893.80

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1.5x scale

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.