Home / 162,064.46-223,643.09-89,465.80

Finding the Fourth Proportional to 162,064.46, 223,643.09 and 89,465.80

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Solution

The fourth proportional to 162,064.46, 223,643.09 and 89,465.80 is: 123,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,064.46 : 223,643.09 = 89,465.80 : x
  2. Step 2: Convert to fraction form
    162,064.46/223,643.09 = 89,465.80/x
  3. Step 3: Cross multiply
    162,064.46x = 223,643.09 × 89,465.80
  4. Step 4: Simplify right side
    162,064.46x = 20,008,406,395.78
  5. Step 5: Solve for x
    x = 20,008,406,395.78/162,064.46
  6. Step 6: Final answer
    x = 123,459.56

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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.