Home / 216,113.75-324,166.09-72,030.00

Finding the Fourth Proportional to 216,113.75, 324,166.09 and 72,030.00

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Solution

The fourth proportional to 216,113.75, 324,166.09 and 72,030.00 is: 108,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,113.75 : 324,166.09 = 72,030.00 : x
  2. Step 2: Convert to fraction form
    216,113.75/324,166.09 = 72,030.00/x
  3. Step 3: Cross multiply
    216,113.75x = 324,166.09 × 72,030.00
  4. Step 4: Simplify right side
    216,113.75x = 23,349,683,012.45
  5. Step 5: Solve for x
    x = 23,349,683,012.45/216,113.75
  6. Step 6: Final answer
    x = 108,043.49

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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.