Home / 162,428.04-224,152.29-90,811.98

Finding the Fourth Proportional to 162,428.04, 224,152.29 and 90,811.98

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Solution

The fourth proportional to 162,428.04, 224,152.29 and 90,811.98 is: 125,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,428.04 : 224,152.29 = 90,811.98 : x
  2. Step 2: Convert to fraction form
    162,428.04/224,152.29 = 90,811.98/x
  3. Step 3: Cross multiply
    162,428.04x = 224,152.29 × 90,811.98
  4. Step 4: Simplify right side
    162,428.04x = 20,355,713,276.43
  5. Step 5: Solve for x
    x = 20,355,713,276.43/162,428.04
  6. Step 6: Final answer
    x = 125,321.42

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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.