Home / 145,089.24-217,465.38-82,803.48

Finding the Fourth Proportional to 145,089.24, 217,465.38 and 82,803.48

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Solution

The fourth proportional to 145,089.24, 217,465.38 and 82,803.48 is: 124,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,089.24 : 217,465.38 = 82,803.48 : x
  2. Step 2: Convert to fraction form
    145,089.24/217,465.38 = 82,803.48/x
  3. Step 3: Cross multiply
    145,089.24x = 217,465.38 × 82,803.48
  4. Step 4: Simplify right side
    145,089.24x = 18,006,890,243.52
  5. Step 5: Solve for x
    x = 18,006,890,243.52/145,089.24
  6. Step 6: Final answer
    x = 124,109.07

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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.