Home / 126,455.69-174,306.16-85,606.93

Finding the Fourth Proportional to 126,455.69, 174,306.16 and 85,606.93

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Solution

The fourth proportional to 126,455.69, 174,306.16 and 85,606.93 is: 118,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,455.69 : 174,306.16 = 85,606.93 : x
  2. Step 2: Convert to fraction form
    126,455.69/174,306.16 = 85,606.93/x
  3. Step 3: Cross multiply
    126,455.69x = 174,306.16 × 85,606.93
  4. Step 4: Simplify right side
    126,455.69x = 14,921,815,237.69
  5. Step 5: Solve for x
    x = 14,921,815,237.69/126,455.69
  6. Step 6: Final answer
    x = 118,000.35

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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.