Home / 130,426.10-195,567.06-40,443.86

Finding the Fourth Proportional to 130,426.10, 195,567.06 and 40,443.86

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Solution

The fourth proportional to 130,426.10, 195,567.06 and 40,443.86 is: 60,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,426.10 : 195,567.06 = 40,443.86 : x
  2. Step 2: Convert to fraction form
    130,426.10/195,567.06 = 40,443.86/x
  3. Step 3: Cross multiply
    130,426.10x = 195,567.06 × 40,443.86
  4. Step 4: Simplify right side
    130,426.10x = 7,909,486,795.25
  5. Step 5: Solve for x
    x = 7,909,486,795.25/130,426.10
  6. Step 6: Final answer
    x = 60,643.44

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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.