Home / 134,000.80-201,001.20-131,376.40

Finding the Fourth Proportional to 134,000.80, 201,001.20 and 131,376.40

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Solution

The fourth proportional to 134,000.80, 201,001.20 and 131,376.40 is: 197,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,000.80 : 201,001.20 = 131,376.40 : x
  2. Step 2: Convert to fraction form
    134,000.80/201,001.20 = 131,376.40/x
  3. Step 3: Cross multiply
    134,000.80x = 201,001.20 × 131,376.40
  4. Step 4: Simplify right side
    134,000.80x = 26,406,814,051.68
  5. Step 5: Solve for x
    x = 26,406,814,051.68/134,000.80
  6. Step 6: Final answer
    x = 197,064.60

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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.