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Finding the Fourth Proportional to 124,963.05, 172,460.14 and 73,950.06

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Solution

The fourth proportional to 124,963.05, 172,460.14 and 73,950.06 is: 102,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,963.05 : 172,460.14 = 73,950.06 : x
  2. Step 2: Convert to fraction form
    124,963.05/172,460.14 = 73,950.06/x
  3. Step 3: Cross multiply
    124,963.05x = 172,460.14 × 73,950.06
  4. Step 4: Simplify right side
    124,963.05x = 12,753,438,162.46
  5. Step 5: Solve for x
    x = 12,753,438,162.46/124,963.05
  6. Step 6: Final answer
    x = 102,057.67

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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.