Home / 136,538.40-205,114.80-95,066.40

Finding the Fourth Proportional to 136,538.40, 205,114.80 and 95,066.40

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Solution

The fourth proportional to 136,538.40, 205,114.80 and 95,066.40 is: 142,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,538.40 : 205,114.80 = 95,066.40 : x
  2. Step 2: Convert to fraction form
    136,538.40/205,114.80 = 95,066.40/x
  3. Step 3: Cross multiply
    136,538.40x = 205,114.80 × 95,066.40
  4. Step 4: Simplify right side
    136,538.40x = 19,499,525,622.72
  5. Step 5: Solve for x
    x = 19,499,525,622.72/136,538.40
  6. Step 6: Final answer
    x = 142,813.49

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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.