Home / 210,356.04-290,328.75-124,311.36

Finding the Fourth Proportional to 210,356.04, 290,328.75 and 124,311.36

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Solution

The fourth proportional to 210,356.04, 290,328.75 and 124,311.36 is: 171,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,356.04 : 290,328.75 = 124,311.36 : x
  2. Step 2: Convert to fraction form
    210,356.04/290,328.75 = 124,311.36/x
  3. Step 3: Cross multiply
    210,356.04x = 290,328.75 × 124,311.36
  4. Step 4: Simplify right side
    210,356.04x = 36,091,161,759.60
  5. Step 5: Solve for x
    x = 36,091,161,759.60/210,356.04
  6. Step 6: Final answer
    x = 171,571.79

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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.