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Finding the Fourth Proportional to 180,501.51, 271,000.71 and 91,814.97

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Solution

The fourth proportional to 180,501.51, 271,000.71 and 91,814.97 is: 137,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,501.51 : 271,000.71 = 91,814.97 : x
  2. Step 2: Convert to fraction form
    180,501.51/271,000.71 = 91,814.97/x
  3. Step 3: Cross multiply
    180,501.51x = 271,000.71 × 91,814.97
  4. Step 4: Simplify right side
    180,501.51x = 24,881,922,058.63
  5. Step 5: Solve for x
    x = 24,881,922,058.63/180,501.51
  6. Step 6: Final answer
    x = 137,848.83

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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.