Home / 112,588.28-168,899.70-38,699

Finding the Fourth Proportional to 112,588.28, 168,899.70 and 38,699

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Solution

The fourth proportional to 112,588.28, 168,899.70 and 38,699 is: 58,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,588.28 : 168,899.70 = 38,699 : x
  2. Step 2: Convert to fraction form
    112,588.28/168,899.70 = 38,699/x
  3. Step 3: Cross multiply
    112,588.28x = 168,899.70 × 38,699
  4. Step 4: Simplify right side
    112,588.28x = 6,536,249,490.30
  5. Step 5: Solve for x
    x = 6,536,249,490.30/112,588.28
  6. Step 6: Final answer
    x = 58,054.44

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1.5x scale

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.