Home / 136,487.60-204,731.40-127,271.60

Finding the Fourth Proportional to 136,487.60, 204,731.40 and 127,271.60

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Solution

The fourth proportional to 136,487.60, 204,731.40 and 127,271.60 is: 190,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,487.60 : 204,731.40 = 127,271.60 : x
  2. Step 2: Convert to fraction form
    136,487.60/204,731.40 = 127,271.60/x
  3. Step 3: Cross multiply
    136,487.60x = 204,731.40 × 127,271.60
  4. Step 4: Simplify right side
    136,487.60x = 26,056,492,848.24
  5. Step 5: Solve for x
    x = 26,056,492,848.24/136,487.60
  6. Step 6: Final answer
    x = 190,907.40

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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.