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Finding the Fourth Proportional to 162,373.20, 243,559.80 and 145,460.40

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Solution

The fourth proportional to 162,373.20, 243,559.80 and 145,460.40 is: 218,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,373.20 : 243,559.80 = 145,460.40 : x
  2. Step 2: Convert to fraction form
    162,373.20/243,559.80 = 145,460.40/x
  3. Step 3: Cross multiply
    162,373.20x = 243,559.80 × 145,460.40
  4. Step 4: Simplify right side
    162,373.20x = 35,428,305,931.92
  5. Step 5: Solve for x
    x = 35,428,305,931.92/162,373.20
  6. Step 6: Final answer
    x = 218,190.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.