Home / 162,444.96-243,671.49-77,035.73

Finding the Fourth Proportional to 162,444.96, 243,671.49 and 77,035.73

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Solution

The fourth proportional to 162,444.96, 243,671.49 and 77,035.73 is: 115,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,444.96 : 243,671.49 = 77,035.73 : x
  2. Step 2: Convert to fraction form
    162,444.96/243,671.49 = 77,035.73/x
  3. Step 3: Cross multiply
    162,444.96x = 243,671.49 × 77,035.73
  4. Step 4: Simplify right side
    162,444.96x = 18,771,411,112.34
  5. Step 5: Solve for x
    x = 18,771,411,112.34/162,444.96
  6. Step 6: Final answer
    x = 115,555.52

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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.