Home / 171,405.34-236,602.85-103,425.18

Finding the Fourth Proportional to 171,405.34, 236,602.85 and 103,425.18

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Solution

The fourth proportional to 171,405.34, 236,602.85 and 103,425.18 is: 142,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,405.34 : 236,602.85 = 103,425.18 : x
  2. Step 2: Convert to fraction form
    171,405.34/236,602.85 = 103,425.18/x
  3. Step 3: Cross multiply
    171,405.34x = 236,602.85 × 103,425.18
  4. Step 4: Simplify right side
    171,405.34x = 24,470,692,349.76
  5. Step 5: Solve for x
    x = 24,470,692,349.76/171,405.34
  6. Step 6: Final answer
    x = 142,765.05

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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.