Home / 135,569.60-203,548.80-102,521.60

Finding the Fourth Proportional to 135,569.60, 203,548.80 and 102,521.60

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Solution

The fourth proportional to 135,569.60, 203,548.80 and 102,521.60 is: 153,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,569.60 : 203,548.80 = 102,521.60 : x
  2. Step 2: Convert to fraction form
    135,569.60/203,548.80 = 102,521.60/x
  3. Step 3: Cross multiply
    135,569.60x = 203,548.80 × 102,521.60
  4. Step 4: Simplify right side
    135,569.60x = 20,868,148,654.08
  5. Step 5: Solve for x
    x = 20,868,148,654.08/135,569.60
  6. Step 6: Final answer
    x = 153,929.41

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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.