Home / 116,284.04-160,473.66-65,307.80

Finding the Fourth Proportional to 116,284.04, 160,473.66 and 65,307.80

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Solution

The fourth proportional to 116,284.04, 160,473.66 and 65,307.80 is: 90,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,284.04 : 160,473.66 = 65,307.80 : x
  2. Step 2: Convert to fraction form
    116,284.04/160,473.66 = 65,307.80/x
  3. Step 3: Cross multiply
    116,284.04x = 160,473.66 × 65,307.80
  4. Step 4: Simplify right side
    116,284.04x = 10,480,181,848.83
  5. Step 5: Solve for x
    x = 10,480,181,848.83/116,284.04
  6. Step 6: Final answer
    x = 90,125.71

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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.