Home / 210,317.07-290,270.88-133,756.34

Finding the Fourth Proportional to 210,317.07, 290,270.88 and 133,756.34

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Solution

The fourth proportional to 210,317.07, 290,270.88 and 133,756.34 is: 184,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,317.07 : 290,270.88 = 133,756.34 : x
  2. Step 2: Convert to fraction form
    210,317.07/290,270.88 = 133,756.34/x
  3. Step 3: Cross multiply
    210,317.07x = 290,270.88 × 133,756.34
  4. Step 4: Simplify right side
    210,317.07x = 38,825,571,243.06
  5. Step 5: Solve for x
    x = 38,825,571,243.06/210,317.07
  6. Step 6: Final answer
    x = 184,604.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.