Home / 170,495.70-235,197.60-130,139.40

Finding the Fourth Proportional to 170,495.70, 235,197.60 and 130,139.40

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Solution

The fourth proportional to 170,495.70, 235,197.60 and 130,139.40 is: 179,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,495.70 : 235,197.60 = 130,139.40 : x
  2. Step 2: Convert to fraction form
    170,495.70/235,197.60 = 130,139.40/x
  3. Step 3: Cross multiply
    170,495.70x = 235,197.60 × 130,139.40
  4. Step 4: Simplify right side
    170,495.70x = 30,608,474,545.44
  5. Step 5: Solve for x
    x = 30,608,474,545.44/170,495.70
  6. Step 6: Final answer
    x = 179,526.37

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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.