Home / 145,095.58-200,251.44-81,436.86

Finding the Fourth Proportional to 145,095.58, 200,251.44 and 81,436.86

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Solution

The fourth proportional to 145,095.58, 200,251.44 and 81,436.86 is: 112,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,095.58 : 200,251.44 = 81,436.86 : x
  2. Step 2: Convert to fraction form
    145,095.58/200,251.44 = 81,436.86/x
  3. Step 3: Cross multiply
    145,095.58x = 200,251.44 × 81,436.86
  4. Step 4: Simplify right side
    145,095.58x = 16,307,848,484.08
  5. Step 5: Solve for x
    x = 16,307,848,484.08/145,095.58
  6. Step 6: Final answer
    x = 112,393.83

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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.