Home / 210,581.87-290,617.00-118,723.82

Finding the Fourth Proportional to 210,581.87, 290,617.00 and 118,723.82

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Solution

The fourth proportional to 210,581.87, 290,617.00 and 118,723.82 is: 163,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,581.87 : 290,617.00 = 118,723.82 : x
  2. Step 2: Convert to fraction form
    210,581.87/290,617.00 = 118,723.82/x
  3. Step 3: Cross multiply
    210,581.87x = 290,617.00 × 118,723.82
  4. Step 4: Simplify right side
    210,581.87x = 34,503,158,647.05
  5. Step 5: Solve for x
    x = 34,503,158,647.05/210,581.87
  6. Step 6: Final answer
    x = 163,846.77

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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.