Home / 130,458.12-195,438.90-74,336.88

Finding the Fourth Proportional to 130,458.12, 195,438.90 and 74,336.88

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Solution

The fourth proportional to 130,458.12, 195,438.90 and 74,336.88 is: 111,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,458.12 : 195,438.90 = 74,336.88 : x
  2. Step 2: Convert to fraction form
    130,458.12/195,438.90 = 74,336.88/x
  3. Step 3: Cross multiply
    130,458.12x = 195,438.90 × 74,336.88
  4. Step 4: Simplify right side
    130,458.12x = 14,528,318,056.63
  5. Step 5: Solve for x
    x = 14,528,318,056.63/130,458.12
  6. Step 6: Final answer
    x = 111,363.85

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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.