Home / 199,134.07-274,679.46-118,501.40

Finding the Fourth Proportional to 199,134.07, 274,679.46 and 118,501.40

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Solution

The fourth proportional to 199,134.07, 274,679.46 and 118,501.40 is: 163,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,134.07 : 274,679.46 = 118,501.40 : x
  2. Step 2: Convert to fraction form
    199,134.07/274,679.46 = 118,501.40/x
  3. Step 3: Cross multiply
    199,134.07x = 274,679.46 × 118,501.40
  4. Step 4: Simplify right side
    199,134.07x = 32,549,901,247.94
  5. Step 5: Solve for x
    x = 32,549,901,247.94/199,134.07
  6. Step 6: Final answer
    x = 163,457.22

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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.