Home / 150,357.08-207,487.34-85,829.64

Finding the Fourth Proportional to 150,357.08, 207,487.34 and 85,829.64

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Solution

The fourth proportional to 150,357.08, 207,487.34 and 85,829.64 is: 118,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,357.08 : 207,487.34 = 85,829.64 : x
  2. Step 2: Convert to fraction form
    150,357.08/207,487.34 = 85,829.64/x
  3. Step 3: Cross multiply
    150,357.08x = 207,487.34 × 85,829.64
  4. Step 4: Simplify right side
    150,357.08x = 17,808,563,696.76
  5. Step 5: Solve for x
    x = 17,808,563,696.76/150,357.08
  6. Step 6: Final answer
    x = 118,441.80

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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.