Home / 130,860.02-195,403.57-103,903.53

Finding the Fourth Proportional to 130,860.02, 195,403.57 and 103,903.53

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Solution

The fourth proportional to 130,860.02, 195,403.57 and 103,903.53 is: 155,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,860.02 : 195,403.57 = 103,903.53 : x
  2. Step 2: Convert to fraction form
    130,860.02/195,403.57 = 103,903.53/x
  3. Step 3: Cross multiply
    130,860.02x = 195,403.57 × 103,903.53
  4. Step 4: Simplify right side
    130,860.02x = 20,303,120,289.54
  5. Step 5: Solve for x
    x = 20,303,120,289.54/130,860.02
  6. Step 6: Final answer
    x = 155,151.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.