Home / 109,032.40-163,556.70-38,902.60

Finding the Fourth Proportional to 109,032.40, 163,556.70 and 38,902.60

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Solution

The fourth proportional to 109,032.40, 163,556.70 and 38,902.60 is: 58,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,032.40 : 163,556.70 = 38,902.60 : x
  2. Step 2: Convert to fraction form
    109,032.40/163,556.70 = 38,902.60/x
  3. Step 3: Cross multiply
    109,032.40x = 163,556.70 × 38,902.60
  4. Step 4: Simplify right side
    109,032.40x = 6,362,780,877.42
  5. Step 5: Solve for x
    x = 6,362,780,877.42/109,032.40
  6. Step 6: Final answer
    x = 58,356.79

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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.