Home / 95,730.76-143,920.50-77,141.32

Finding the Fourth Proportional to 95,730.76, 143,920.50 and 77,141.32

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Solution

The fourth proportional to 95,730.76, 143,920.50 and 77,141.32 is: 115,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,730.76 : 143,920.50 = 77,141.32 : x
  2. Step 2: Convert to fraction form
    95,730.76/143,920.50 = 77,141.32/x
  3. Step 3: Cross multiply
    95,730.76x = 143,920.50 × 77,141.32
  4. Step 4: Simplify right side
    95,730.76x = 11,102,217,345.06
  5. Step 5: Solve for x
    x = 11,102,217,345.06/95,730.76
  6. Step 6: Final answer
    x = 115,973.35

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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.