Home / 125,025.39-172,533.29-71,311.31

Finding the Fourth Proportional to 125,025.39, 172,533.29 and 71,311.31

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Solution

The fourth proportional to 125,025.39, 172,533.29 and 71,311.31 is: 98,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,025.39 : 172,533.29 = 71,311.31 : x
  2. Step 2: Convert to fraction form
    125,025.39/172,533.29 = 71,311.31/x
  3. Step 3: Cross multiply
    125,025.39x = 172,533.29 × 71,311.31
  4. Step 4: Simplify right side
    125,025.39x = 12,303,574,244.12
  5. Step 5: Solve for x
    x = 12,303,574,244.12/125,025.39
  6. Step 6: Final answer
    x = 98,408.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.