Home / 170,030.20-254,826.60-103,399.60

Finding the Fourth Proportional to 170,030.20, 254,826.60 and 103,399.60

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Solution

The fourth proportional to 170,030.20, 254,826.60 and 103,399.60 is: 154,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,030.20 : 254,826.60 = 103,399.60 : x
  2. Step 2: Convert to fraction form
    170,030.20/254,826.60 = 103,399.60/x
  3. Step 3: Cross multiply
    170,030.20x = 254,826.60 × 103,399.60
  4. Step 4: Simplify right side
    170,030.20x = 26,348,968,509.36
  5. Step 5: Solve for x
    x = 26,348,968,509.36/170,030.20
  6. Step 6: Final answer
    x = 154,966.40

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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.