Home / 210,965.02-291,173.22-159,888.66

Finding the Fourth Proportional to 210,965.02, 291,173.22 and 159,888.66

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Solution

The fourth proportional to 210,965.02, 291,173.22 and 159,888.66 is: 220,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,965.02 : 291,173.22 = 159,888.66 : x
  2. Step 2: Convert to fraction form
    210,965.02/291,173.22 = 159,888.66/x
  3. Step 3: Cross multiply
    210,965.02x = 291,173.22 × 159,888.66
  4. Step 4: Simplify right side
    210,965.02x = 46,555,294,517.82
  5. Step 5: Solve for x
    x = 46,555,294,517.82/210,965.02
  6. Step 6: Final answer
    x = 220,677.80

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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.