Home / 162,124.83-223,728.55-90,511.52

Finding the Fourth Proportional to 162,124.83, 223,728.55 and 90,511.52

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Solution

The fourth proportional to 162,124.83, 223,728.55 and 90,511.52 is: 124,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,124.83 : 223,728.55 = 90,511.52 : x
  2. Step 2: Convert to fraction form
    162,124.83/223,728.55 = 90,511.52/x
  3. Step 3: Cross multiply
    162,124.83x = 223,728.55 × 90,511.52
  4. Step 4: Simplify right side
    162,124.83x = 20,250,009,782.97
  5. Step 5: Solve for x
    x = 20,250,009,782.97/162,124.83
  6. Step 6: Final answer
    x = 124,903.82

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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.