Home / 230,111.20-345,296.40-89,851.60

Finding the Fourth Proportional to 230,111.20, 345,296.40 and 89,851.60

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Solution

The fourth proportional to 230,111.20, 345,296.40 and 89,851.60 is: 134,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,111.20 : 345,296.40 = 89,851.60 : x
  2. Step 2: Convert to fraction form
    230,111.20/345,296.40 = 89,851.60/x
  3. Step 3: Cross multiply
    230,111.20x = 345,296.40 × 89,851.60
  4. Step 4: Simplify right side
    230,111.20x = 31,025,434,014.24
  5. Step 5: Solve for x
    x = 31,025,434,014.24/230,111.20
  6. Step 6: Final answer
    x = 134,828.00

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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.