Home / 84,130.00-126,158.04-31,502.57

Finding the Fourth Proportional to 84,130.00, 126,158.04 and 31,502.57

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Solution

The fourth proportional to 84,130.00, 126,158.04 and 31,502.57 is: 47,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,130.00 : 126,158.04 = 31,502.57 : x
  2. Step 2: Convert to fraction form
    84,130.00/126,158.04 = 31,502.57/x
  3. Step 3: Cross multiply
    84,130.00x = 126,158.04 × 31,502.57
  4. Step 4: Simplify right side
    84,130.00x = 3,974,301,855.37
  5. Step 5: Solve for x
    x = 3,974,301,855.37/84,130.00
  6. Step 6: Final answer
    x = 47,240.01

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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.