Home / 131,374.08-197,030.40-42,604.80

Finding the Fourth Proportional to 131,374.08, 197,030.40 and 42,604.80

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Solution

The fourth proportional to 131,374.08, 197,030.40 and 42,604.80 is: 63,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,374.08 : 197,030.40 = 42,604.80 : x
  2. Step 2: Convert to fraction form
    131,374.08/197,030.40 = 42,604.80/x
  3. Step 3: Cross multiply
    131,374.08x = 197,030.40 × 42,604.80
  4. Step 4: Simplify right side
    131,374.08x = 8,394,440,785.92
  5. Step 5: Solve for x
    x = 8,394,440,785.92/131,374.08
  6. Step 6: Final answer
    x = 63,897.24

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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.