Home / 136,353.60-204,530.40-42,859.35

Finding the Fourth Proportional to 136,353.60, 204,530.40 and 42,859.35

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Solution

The fourth proportional to 136,353.60, 204,530.40 and 42,859.35 is: 64,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,353.60 : 204,530.40 = 42,859.35 : x
  2. Step 2: Convert to fraction form
    136,353.60/204,530.40 = 42,859.35/x
  3. Step 3: Cross multiply
    136,353.60x = 204,530.40 × 42,859.35
  4. Step 4: Simplify right side
    136,353.60x = 8,766,039,999.24
  5. Step 5: Solve for x
    x = 8,766,039,999.24/136,353.60
  6. Step 6: Final answer
    x = 64,289.03

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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.