Home / 195,390.58-292,630.10-142,669.30

Finding the Fourth Proportional to 195,390.58, 292,630.10 and 142,669.30

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Solution

The fourth proportional to 195,390.58, 292,630.10 and 142,669.30 is: 213,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,390.58 : 292,630.10 = 142,669.30 : x
  2. Step 2: Convert to fraction form
    195,390.58/292,630.10 = 142,669.30/x
  3. Step 3: Cross multiply
    195,390.58x = 292,630.10 × 142,669.30
  4. Step 4: Simplify right side
    195,390.58x = 41,749,331,525.93
  5. Step 5: Solve for x
    x = 41,749,331,525.93/195,390.58
  6. Step 6: Final answer
    x = 213,671.16

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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.