Home / 126,030.20-189,045.30-94,537.40

Finding the Fourth Proportional to 126,030.20, 189,045.30 and 94,537.40

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Solution

The fourth proportional to 126,030.20, 189,045.30 and 94,537.40 is: 141,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,030.20 : 189,045.30 = 94,537.40 : x
  2. Step 2: Convert to fraction form
    126,030.20/189,045.30 = 94,537.40/x
  3. Step 3: Cross multiply
    126,030.20x = 189,045.30 × 94,537.40
  4. Step 4: Simplify right side
    126,030.20x = 17,871,851,144.22
  5. Step 5: Solve for x
    x = 17,871,851,144.22/126,030.20
  6. Step 6: Final answer
    x = 141,806.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.