Home / 210,401.24-290,340.96-114,888.56

Finding the Fourth Proportional to 210,401.24, 290,340.96 and 114,888.56

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Solution

The fourth proportional to 210,401.24, 290,340.96 and 114,888.56 is: 158,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,401.24 : 290,340.96 = 114,888.56 : x
  2. Step 2: Convert to fraction form
    210,401.24/290,340.96 = 114,888.56/x
  3. Step 3: Cross multiply
    210,401.24x = 290,340.96 × 114,888.56
  4. Step 4: Simplify right side
    210,401.24x = 33,356,854,803.42
  5. Step 5: Solve for x
    x = 33,356,854,803.42/210,401.24
  6. Step 6: Final answer
    x = 158,539.25

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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.