Home / 161,745.74-223,206.15-90,124.22

Finding the Fourth Proportional to 161,745.74, 223,206.15 and 90,124.22

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Solution

The fourth proportional to 161,745.74, 223,206.15 and 90,124.22 is: 124,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,745.74 : 223,206.15 = 90,124.22 : x
  2. Step 2: Convert to fraction form
    161,745.74/223,206.15 = 90,124.22/x
  3. Step 3: Cross multiply
    161,745.74x = 223,206.15 × 90,124.22
  4. Step 4: Simplify right side
    161,745.74x = 20,116,280,167.95
  5. Step 5: Solve for x
    x = 20,116,280,167.95/161,745.74
  6. Step 6: Final answer
    x = 124,369.77

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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.