Home / 162,704.45-224,533.02-90,109.72

Finding the Fourth Proportional to 162,704.45, 224,533.02 and 90,109.72

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Solution

The fourth proportional to 162,704.45, 224,533.02 and 90,109.72 is: 124,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,704.45 : 224,533.02 = 90,109.72 : x
  2. Step 2: Convert to fraction form
    162,704.45/224,533.02 = 90,109.72/x
  3. Step 3: Cross multiply
    162,704.45x = 224,533.02 × 90,109.72
  4. Step 4: Simplify right side
    162,704.45x = 20,232,607,339.53
  5. Step 5: Solve for x
    x = 20,232,607,339.53/162,704.45
  6. Step 6: Final answer
    x = 124,351.90

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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.