Home / 97,811.80-146,814.90-47,948.20

Finding the Fourth Proportional to 97,811.80, 146,814.90 and 47,948.20

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Solution

The fourth proportional to 97,811.80, 146,814.90 and 47,948.20 is: 71,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,811.80 : 146,814.90 = 47,948.20 : x
  2. Step 2: Convert to fraction form
    97,811.80/146,814.90 = 47,948.20/x
  3. Step 3: Cross multiply
    97,811.80x = 146,814.90 × 47,948.20
  4. Step 4: Simplify right side
    97,811.80x = 7,039,510,188.18
  5. Step 5: Solve for x
    x = 7,039,510,188.18/97,811.80
  6. Step 6: Final answer
    x = 71,969.95

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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.