Home / 126,570.40-174,783.12-101,602.72

Finding the Fourth Proportional to 126,570.40, 174,783.12 and 101,602.72

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Solution

The fourth proportional to 126,570.40, 174,783.12 and 101,602.72 is: 140,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,570.40 : 174,783.12 = 101,602.72 : x
  2. Step 2: Convert to fraction form
    126,570.40/174,783.12 = 101,602.72/x
  3. Step 3: Cross multiply
    126,570.40x = 174,783.12 × 101,602.72
  4. Step 4: Simplify right side
    126,570.40x = 17,758,440,402.09
  5. Step 5: Solve for x
    x = 17,758,440,402.09/126,570.40
  6. Step 6: Final answer
    x = 140,304.85

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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.