Home / 117,664.60-162,295.02-77,365.48

Finding the Fourth Proportional to 117,664.60, 162,295.02 and 77,365.48

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Solution

The fourth proportional to 117,664.60, 162,295.02 and 77,365.48 is: 106,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,664.60 : 162,295.02 = 77,365.48 : x
  2. Step 2: Convert to fraction form
    117,664.60/162,295.02 = 77,365.48/x
  3. Step 3: Cross multiply
    117,664.60x = 162,295.02 × 77,365.48
  4. Step 4: Simplify right side
    117,664.60x = 12,556,032,123.91
  5. Step 5: Solve for x
    x = 12,556,032,123.91/117,664.60
  6. Step 6: Final answer
    x = 106,710.36

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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.