Home / 162,043.08-223,618.95-90,422.34

Finding the Fourth Proportional to 162,043.08, 223,618.95 and 90,422.34

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Solution

The fourth proportional to 162,043.08, 223,618.95 and 90,422.34 is: 124,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,043.08 : 223,618.95 = 90,422.34 : x
  2. Step 2: Convert to fraction form
    162,043.08/223,618.95 = 90,422.34/x
  3. Step 3: Cross multiply
    162,043.08x = 223,618.95 × 90,422.34
  4. Step 4: Simplify right side
    162,043.08x = 20,220,148,727.34
  5. Step 5: Solve for x
    x = 20,220,148,727.34/162,043.08
  6. Step 6: Final answer
    x = 124,782.55

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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.