Home / 229,373.03-316,534.77-128,771.03

Finding the Fourth Proportional to 229,373.03, 316,534.77 and 128,771.03

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Solution

The fourth proportional to 229,373.03, 316,534.77 and 128,771.03 is: 177,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,373.03 : 316,534.77 = 128,771.03 : x
  2. Step 2: Convert to fraction form
    229,373.03/316,534.77 = 128,771.03/x
  3. Step 3: Cross multiply
    229,373.03x = 316,534.77 × 128,771.03
  4. Step 4: Simplify right side
    229,373.03x = 40,760,506,781.04
  5. Step 5: Solve for x
    x = 40,760,506,781.04/229,373.03
  6. Step 6: Final answer
    x = 177,704.01

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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.