Home / 158,955.40-238,216.02-80,122.96

Finding the Fourth Proportional to 158,955.40, 238,216.02 and 80,122.96

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Solution

The fourth proportional to 158,955.40, 238,216.02 and 80,122.96 is: 120,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,955.40 : 238,216.02 = 80,122.96 : x
  2. Step 2: Convert to fraction form
    158,955.40/238,216.02 = 80,122.96/x
  3. Step 3: Cross multiply
    158,955.40x = 238,216.02 × 80,122.96
  4. Step 4: Simplify right side
    158,955.40x = 19,086,572,641.82
  5. Step 5: Solve for x
    x = 19,086,572,641.82/158,955.40
  6. Step 6: Final answer
    x = 120,075.02

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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.