Home / 162,029.02-223,611.15-90,422.86

Finding the Fourth Proportional to 162,029.02, 223,611.15 and 90,422.86

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Solution

The fourth proportional to 162,029.02, 223,611.15 and 90,422.86 is: 124,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,029.02 : 223,611.15 = 90,422.86 : x
  2. Step 2: Convert to fraction form
    162,029.02/223,611.15 = 90,422.86/x
  3. Step 3: Cross multiply
    162,029.02x = 223,611.15 × 90,422.86
  4. Step 4: Simplify right side
    162,029.02x = 20,219,559,710.89
  5. Step 5: Solve for x
    x = 20,219,559,710.89/162,029.02
  6. Step 6: Final answer
    x = 124,789.74

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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.