Home / 130,870.20-196,013.70-113,374.20

Finding the Fourth Proportional to 130,870.20, 196,013.70 and 113,374.20

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Solution

The fourth proportional to 130,870.20, 196,013.70 and 113,374.20 is: 169,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,870.20 : 196,013.70 = 113,374.20 : x
  2. Step 2: Convert to fraction form
    130,870.20/196,013.70 = 113,374.20/x
  3. Step 3: Cross multiply
    130,870.20x = 196,013.70 × 113,374.20
  4. Step 4: Simplify right side
    130,870.20x = 22,222,896,426.54
  5. Step 5: Solve for x
    x = 22,222,896,426.54/130,870.20
  6. Step 6: Final answer
    x = 169,808.68

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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.