Home / 130,015.80-194,877.90-55,123.20

Finding the Fourth Proportional to 130,015.80, 194,877.90 and 55,123.20

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Solution

The fourth proportional to 130,015.80, 194,877.90 and 55,123.20 is: 82,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,015.80 : 194,877.90 = 55,123.20 : x
  2. Step 2: Convert to fraction form
    130,015.80/194,877.90 = 55,123.20/x
  3. Step 3: Cross multiply
    130,015.80x = 194,877.90 × 55,123.20
  4. Step 4: Simplify right side
    130,015.80x = 10,742,293,457.28
  5. Step 5: Solve for x
    x = 10,742,293,457.28/130,015.80
  6. Step 6: Final answer
    x = 82,622.98

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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.