Home / 133,430.10-200,145.15-118,266.90

Finding the Fourth Proportional to 133,430.10, 200,145.15 and 118,266.90

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Solution

The fourth proportional to 133,430.10, 200,145.15 and 118,266.90 is: 177,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,430.10 : 200,145.15 = 118,266.90 : x
  2. Step 2: Convert to fraction form
    133,430.10/200,145.15 = 118,266.90/x
  3. Step 3: Cross multiply
    133,430.10x = 200,145.15 × 118,266.90
  4. Step 4: Simplify right side
    133,430.10x = 23,670,546,440.54
  5. Step 5: Solve for x
    x = 23,670,546,440.54/133,430.10
  6. Step 6: Final answer
    x = 177,400.35

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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.