Home / 158,955.90-238,216.77-80,123.46

Finding the Fourth Proportional to 158,955.90, 238,216.77 and 80,123.46

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Solution

The fourth proportional to 158,955.90, 238,216.77 and 80,123.46 is: 120,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,955.90 : 238,216.77 = 80,123.46 : x
  2. Step 2: Convert to fraction form
    158,955.90/238,216.77 = 80,123.46/x
  3. Step 3: Cross multiply
    158,955.90x = 238,216.77 × 80,123.46
  4. Step 4: Simplify right side
    158,955.90x = 19,086,751,842.42
  5. Step 5: Solve for x
    x = 19,086,751,842.42/158,955.90
  6. Step 6: Final answer
    x = 120,075.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.