Home / 151,421.77-207,448.56-145,746.46

Finding the Fourth Proportional to 151,421.77, 207,448.56 and 145,746.46

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Solution

The fourth proportional to 151,421.77, 207,448.56 and 145,746.46 is: 199,673.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,421.77 : 207,448.56 = 145,746.46 : x
  2. Step 2: Convert to fraction form
    151,421.77/207,448.56 = 145,746.46/x
  3. Step 3: Cross multiply
    151,421.77x = 207,448.56 × 145,746.46
  4. Step 4: Simplify right side
    151,421.77x = 30,234,892,214.85
  5. Step 5: Solve for x
    x = 30,234,892,214.85/151,421.77
  6. Step 6: Final answer
    x = 199,673.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.