Home / 216,764.10-324,927.45-98,520.30

Finding the Fourth Proportional to 216,764.10, 324,927.45 and 98,520.30

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Solution

The fourth proportional to 216,764.10, 324,927.45 and 98,520.30 is: 147,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,764.10 : 324,927.45 = 98,520.30 : x
  2. Step 2: Convert to fraction form
    216,764.10/324,927.45 = 98,520.30/x
  3. Step 3: Cross multiply
    216,764.10x = 324,927.45 × 98,520.30
  4. Step 4: Simplify right side
    216,764.10x = 32,011,949,852.24
  5. Step 5: Solve for x
    x = 32,011,949,852.24/216,764.10
  6. Step 6: Final answer
    x = 147,681.05

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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.