Home / 166,689.48-230,029.69-90,206.89

Finding the Fourth Proportional to 166,689.48, 230,029.69 and 90,206.89

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Solution

The fourth proportional to 166,689.48, 230,029.69 and 90,206.89 is: 124,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,689.48 : 230,029.69 = 90,206.89 : x
  2. Step 2: Convert to fraction form
    166,689.48/230,029.69 = 90,206.89/x
  3. Step 3: Cross multiply
    166,689.48x = 230,029.69 × 90,206.89
  4. Step 4: Simplify right side
    166,689.48x = 20,750,262,192.71
  5. Step 5: Solve for x
    x = 20,750,262,192.71/166,689.48
  6. Step 6: Final answer
    x = 124,484.53

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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.