Home / 112,274.76-154,939.30-61,973.76

Finding the Fourth Proportional to 112,274.76, 154,939.30 and 61,973.76

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Solution

The fourth proportional to 112,274.76, 154,939.30 and 61,973.76 is: 85,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,274.76 : 154,939.30 = 61,973.76 : x
  2. Step 2: Convert to fraction form
    112,274.76/154,939.30 = 61,973.76/x
  3. Step 3: Cross multiply
    112,274.76x = 154,939.30 × 61,973.76
  4. Step 4: Simplify right side
    112,274.76x = 9,602,170,992.77
  5. Step 5: Solve for x
    x = 9,602,170,992.77/112,274.76
  6. Step 6: Final answer
    x = 85,523.86

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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.