Home / 140,069.02-210,146.33-83,971.58

Finding the Fourth Proportional to 140,069.02, 210,146.33 and 83,971.58

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Solution

The fourth proportional to 140,069.02, 210,146.33 and 83,971.58 is: 125,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,069.02 : 210,146.33 = 83,971.58 : x
  2. Step 2: Convert to fraction form
    140,069.02/210,146.33 = 83,971.58/x
  3. Step 3: Cross multiply
    140,069.02x = 210,146.33 × 83,971.58
  4. Step 4: Simplify right side
    140,069.02x = 17,646,319,361.30
  5. Step 5: Solve for x
    x = 17,646,319,361.30/140,069.02
  6. Step 6: Final answer
    x = 125,983.03

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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.