Home / 150,158.02-207,211.84-82,173.28

Finding the Fourth Proportional to 150,158.02, 207,211.84 and 82,173.28

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Solution

The fourth proportional to 150,158.02, 207,211.84 and 82,173.28 is: 113,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,158.02 : 207,211.84 = 82,173.28 : x
  2. Step 2: Convert to fraction form
    150,158.02/207,211.84 = 82,173.28/x
  3. Step 3: Cross multiply
    150,158.02x = 207,211.84 × 82,173.28
  4. Step 4: Simplify right side
    150,158.02x = 17,027,276,547.64
  5. Step 5: Solve for x
    x = 17,027,276,547.64/150,158.02
  6. Step 6: Final answer
    x = 113,395.72

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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.