Home / 115,095.81-172,643.34-51,841.90

Finding the Fourth Proportional to 115,095.81, 172,643.34 and 51,841.90

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Solution

The fourth proportional to 115,095.81, 172,643.34 and 51,841.90 is: 77,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,095.81 : 172,643.34 = 51,841.90 : x
  2. Step 2: Convert to fraction form
    115,095.81/172,643.34 = 51,841.90/x
  3. Step 3: Cross multiply
    115,095.81x = 172,643.34 × 51,841.90
  4. Step 4: Simplify right side
    115,095.81x = 8,950,157,904.73
  5. Step 5: Solve for x
    x = 8,950,157,904.73/115,095.81
  6. Step 6: Final answer
    x = 77,762.67

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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.