Home / 130,004.80-195,030.96-41,280.64

Finding the Fourth Proportional to 130,004.80, 195,030.96 and 41,280.64

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Solution

The fourth proportional to 130,004.80, 195,030.96 and 41,280.64 is: 61,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,004.80 : 195,030.96 = 41,280.64 : x
  2. Step 2: Convert to fraction form
    130,004.80/195,030.96 = 41,280.64/x
  3. Step 3: Cross multiply
    130,004.80x = 195,030.96 × 41,280.64
  4. Step 4: Simplify right side
    130,004.80x = 8,051,002,848.61
  5. Step 5: Solve for x
    x = 8,051,002,848.61/130,004.80
  6. Step 6: Final answer
    x = 61,928.50

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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.