Home / 97,990.20-147,006.18-55,890.36

Finding the Fourth Proportional to 97,990.20, 147,006.18 and 55,890.36

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Solution

The fourth proportional to 97,990.20, 147,006.18 and 55,890.36 is: 83,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,990.20 : 147,006.18 = 55,890.36 : x
  2. Step 2: Convert to fraction form
    97,990.20/147,006.18 = 55,890.36/x
  3. Step 3: Cross multiply
    97,990.20x = 147,006.18 × 55,890.36
  4. Step 4: Simplify right side
    97,990.20x = 8,216,228,322.42
  5. Step 5: Solve for x
    x = 8,216,228,322.42/97,990.20
  6. Step 6: Final answer
    x = 83,847.45

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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.