Home / 150,130.10-207,150.77-85,598.12

Finding the Fourth Proportional to 150,130.10, 207,150.77 and 85,598.12

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Solution

The fourth proportional to 150,130.10, 207,150.77 and 85,598.12 is: 118,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,130.10 : 207,150.77 = 85,598.12 : x
  2. Step 2: Convert to fraction form
    150,130.10/207,150.77 = 85,598.12/x
  3. Step 3: Cross multiply
    150,130.10x = 207,150.77 × 85,598.12
  4. Step 4: Simplify right side
    150,130.10x = 17,731,716,040.56
  5. Step 5: Solve for x
    x = 17,731,716,040.56/150,130.10
  6. Step 6: Final answer
    x = 118,109.00

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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.