Home / 216,060.75-298,144.40-135,462.51

Finding the Fourth Proportional to 216,060.75, 298,144.40 and 135,462.51

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Solution

The fourth proportional to 216,060.75, 298,144.40 and 135,462.51 is: 186,926.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,060.75 : 298,144.40 = 135,462.51 : x
  2. Step 2: Convert to fraction form
    216,060.75/298,144.40 = 135,462.51/x
  3. Step 3: Cross multiply
    216,060.75x = 298,144.40 × 135,462.51
  4. Step 4: Simplify right side
    216,060.75x = 40,387,388,089.13
  5. Step 5: Solve for x
    x = 40,387,388,089.13/216,060.75
  6. Step 6: Final answer
    x = 186,926.08

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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.