Home / 162,667.40-244,001.10-115,428.20

Finding the Fourth Proportional to 162,667.40, 244,001.10 and 115,428.20

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Solution

The fourth proportional to 162,667.40, 244,001.10 and 115,428.20 is: 173,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,667.40 : 244,001.10 = 115,428.20 : x
  2. Step 2: Convert to fraction form
    162,667.40/244,001.10 = 115,428.20/x
  3. Step 3: Cross multiply
    162,667.40x = 244,001.10 × 115,428.20
  4. Step 4: Simplify right side
    162,667.40x = 28,164,607,771.02
  5. Step 5: Solve for x
    x = 28,164,607,771.02/162,667.40
  6. Step 6: Final answer
    x = 173,142.30

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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.