Home / 130,800.42-196,160.40-42,030.09

Finding the Fourth Proportional to 130,800.42, 196,160.40 and 42,030.09

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Solution

The fourth proportional to 130,800.42, 196,160.40 and 42,030.09 is: 63,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,800.42 : 196,160.40 = 42,030.09 : x
  2. Step 2: Convert to fraction form
    130,800.42/196,160.40 = 42,030.09/x
  3. Step 3: Cross multiply
    130,800.42x = 196,160.40 × 42,030.09
  4. Step 4: Simplify right side
    130,800.42x = 8,244,639,266.44
  5. Step 5: Solve for x
    x = 8,244,639,266.44/130,800.42
  6. Step 6: Final answer
    x = 63,032.21

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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.