Home / 150,157.02-207,210.47-82,172.28

Finding the Fourth Proportional to 150,157.02, 207,210.47 and 82,172.28

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Solution

The fourth proportional to 150,157.02, 207,210.47 and 82,172.28 is: 113,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,157.02 : 207,210.47 = 82,172.28 : x
  2. Step 2: Convert to fraction form
    150,157.02/207,210.47 = 82,172.28/x
  3. Step 3: Cross multiply
    150,157.02x = 207,210.47 × 82,172.28
  4. Step 4: Simplify right side
    150,157.02x = 17,026,956,348.91
  5. Step 5: Solve for x
    x = 17,026,956,348.91/150,157.02
  6. Step 6: Final answer
    x = 113,394.34

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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.