Home / 216,030.22-298,136.10-120,539.08

Finding the Fourth Proportional to 216,030.22, 298,136.10 and 120,539.08

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Solution

The fourth proportional to 216,030.22, 298,136.10 and 120,539.08 is: 166,351.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,030.22 : 298,136.10 = 120,539.08 : x
  2. Step 2: Convert to fraction form
    216,030.22/298,136.10 = 120,539.08/x
  3. Step 3: Cross multiply
    216,030.22x = 298,136.10 × 120,539.08
  4. Step 4: Simplify right side
    216,030.22x = 35,937,051,208.79
  5. Step 5: Solve for x
    x = 35,937,051,208.79/216,030.22
  6. Step 6: Final answer
    x = 166,351.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.