Home / 162,419.79-224,140.91-90,803.73

Finding the Fourth Proportional to 162,419.79, 224,140.91 and 90,803.73

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Solution

The fourth proportional to 162,419.79, 224,140.91 and 90,803.73 is: 125,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,419.79 : 224,140.91 = 90,803.73 : x
  2. Step 2: Convert to fraction form
    162,419.79/224,140.91 = 90,803.73/x
  3. Step 3: Cross multiply
    162,419.79x = 224,140.91 × 90,803.73
  4. Step 4: Simplify right side
    162,419.79x = 20,352,830,219.58
  5. Step 5: Solve for x
    x = 20,352,830,219.58/162,419.79
  6. Step 6: Final answer
    x = 125,310.04

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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.