Home / 118,816.77-178,598.84-103,216.07

Finding the Fourth Proportional to 118,816.77, 178,598.84 and 103,216.07

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Solution

The fourth proportional to 118,816.77, 178,598.84 and 103,216.07 is: 155,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,816.77 : 178,598.84 = 103,216.07 : x
  2. Step 2: Convert to fraction form
    118,816.77/178,598.84 = 103,216.07/x
  3. Step 3: Cross multiply
    118,816.77x = 178,598.84 × 103,216.07
  4. Step 4: Simplify right side
    118,816.77x = 18,434,270,301.78
  5. Step 5: Solve for x
    x = 18,434,270,301.78/118,816.77
  6. Step 6: Final answer
    x = 155,148.72

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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.