Home / 150,339.40-207,465.70-82,357.72

Finding the Fourth Proportional to 150,339.40, 207,465.70 and 82,357.72

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Solution

The fourth proportional to 150,339.40, 207,465.70 and 82,357.72 is: 113,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,339.40 : 207,465.70 = 82,357.72 : x
  2. Step 2: Convert to fraction form
    150,339.40/207,465.70 = 82,357.72/x
  3. Step 3: Cross multiply
    150,339.40x = 207,465.70 × 82,357.72
  4. Step 4: Simplify right side
    150,339.40x = 17,086,402,030.20
  5. Step 5: Solve for x
    x = 17,086,402,030.20/150,339.40
  6. Step 6: Final answer
    x = 113,652.19

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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.