Home / 115,041.66-158,753.55-64,730.94

Finding the Fourth Proportional to 115,041.66, 158,753.55 and 64,730.94

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Solution

The fourth proportional to 115,041.66, 158,753.55 and 64,730.94 is: 89,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,041.66 : 158,753.55 = 64,730.94 : x
  2. Step 2: Convert to fraction form
    115,041.66/158,753.55 = 64,730.94/x
  3. Step 3: Cross multiply
    115,041.66x = 158,753.55 × 64,730.94
  4. Step 4: Simplify right side
    115,041.66x = 10,276,266,519.84
  5. Step 5: Solve for x
    x = 10,276,266,519.84/115,041.66
  6. Step 6: Final answer
    x = 89,326.48

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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.