Home / 315,090.08-472,445.04-125,579.60

Finding the Fourth Proportional to 315,090.08, 472,445.04 and 125,579.60

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Solution

The fourth proportional to 315,090.08, 472,445.04 and 125,579.60 is: 188,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,090.08 : 472,445.04 = 125,579.60 : x
  2. Step 2: Convert to fraction form
    315,090.08/472,445.04 = 125,579.60/x
  3. Step 3: Cross multiply
    315,090.08x = 472,445.04 × 125,579.60
  4. Step 4: Simplify right side
    315,090.08x = 59,329,459,145.18
  5. Step 5: Solve for x
    x = 59,329,459,145.18/315,090.08
  6. Step 6: Final answer
    x = 188,293.64

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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.