Home / 150,485.29-207,676.25-90,044.36

Finding the Fourth Proportional to 150,485.29, 207,676.25 and 90,044.36

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Solution

The fourth proportional to 150,485.29, 207,676.25 and 90,044.36 is: 124,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,485.29 : 207,676.25 = 90,044.36 : x
  2. Step 2: Convert to fraction form
    150,485.29/207,676.25 = 90,044.36/x
  3. Step 3: Cross multiply
    150,485.29x = 207,676.25 × 90,044.36
  4. Step 4: Simplify right side
    150,485.29x = 18,700,075,152.80
  5. Step 5: Solve for x
    x = 18,700,075,152.80/150,485.29
  6. Step 6: Final answer
    x = 124,265.13

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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.