Home / 131,799.15-197,829.95-72,662.67

Finding the Fourth Proportional to 131,799.15, 197,829.95 and 72,662.67

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Solution

The fourth proportional to 131,799.15, 197,829.95 and 72,662.67 is: 109,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,799.15 : 197,829.95 = 72,662.67 : x
  2. Step 2: Convert to fraction form
    131,799.15/197,829.95 = 72,662.67/x
  3. Step 3: Cross multiply
    131,799.15x = 197,829.95 × 72,662.67
  4. Step 4: Simplify right side
    131,799.15x = 14,374,852,009.65
  5. Step 5: Solve for x
    x = 14,374,852,009.65/131,799.15
  6. Step 6: Final answer
    x = 109,066.35

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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.