Home / 145,840.32-219,548.33-131,176.08

Finding the Fourth Proportional to 145,840.32, 219,548.33 and 131,176.08

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Solution

The fourth proportional to 145,840.32, 219,548.33 and 131,176.08 is: 197,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,840.32 : 219,548.33 = 131,176.08 : x
  2. Step 2: Convert to fraction form
    145,840.32/219,548.33 = 131,176.08/x
  3. Step 3: Cross multiply
    145,840.32x = 219,548.33 × 131,176.08
  4. Step 4: Simplify right side
    145,840.32x = 28,799,488,644.07
  5. Step 5: Solve for x
    x = 28,799,488,644.07/145,840.32
  6. Step 6: Final answer
    x = 197,472.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.