Home / 170,419.50-254,427.30-130,226.22

Finding the Fourth Proportional to 170,419.50, 254,427.30 and 130,226.22

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Solution

The fourth proportional to 170,419.50, 254,427.30 and 130,226.22 is: 194,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,419.50 : 254,427.30 = 130,226.22 : x
  2. Step 2: Convert to fraction form
    170,419.50/254,427.30 = 130,226.22/x
  3. Step 3: Cross multiply
    170,419.50x = 254,427.30 × 130,226.22
  4. Step 4: Simplify right side
    170,419.50x = 33,133,105,543.81
  5. Step 5: Solve for x
    x = 33,133,105,543.81/170,419.50
  6. Step 6: Final answer
    x = 194,420.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.