Home / 162,135.95-223,738.20-90,520.47

Finding the Fourth Proportional to 162,135.95, 223,738.20 and 90,520.47

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Solution

The fourth proportional to 162,135.95, 223,738.20 and 90,520.47 is: 124,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,135.95 : 223,738.20 = 90,520.47 : x
  2. Step 2: Convert to fraction form
    162,135.95/223,738.20 = 90,520.47/x
  3. Step 3: Cross multiply
    162,135.95x = 223,738.20 × 90,520.47
  4. Step 4: Simplify right side
    162,135.95x = 20,252,887,020.95
  5. Step 5: Solve for x
    x = 20,252,887,020.95/162,135.95
  6. Step 6: Final answer
    x = 124,913.00

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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.