Home / 130,628.32-195,938.16-56,756.32

Finding the Fourth Proportional to 130,628.32, 195,938.16 and 56,756.32

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Solution

The fourth proportional to 130,628.32, 195,938.16 and 56,756.32 is: 85,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,628.32 : 195,938.16 = 56,756.32 : x
  2. Step 2: Convert to fraction form
    130,628.32/195,938.16 = 56,756.32/x
  3. Step 3: Cross multiply
    130,628.32x = 195,938.16 × 56,756.32
  4. Step 4: Simplify right side
    130,628.32x = 11,120,728,909.17
  5. Step 5: Solve for x
    x = 11,120,728,909.17/130,628.32
  6. Step 6: Final answer
    x = 85,132.60

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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.