Home / 112,457.20-168,715.34-40,417.38

Finding the Fourth Proportional to 112,457.20, 168,715.34 and 40,417.38

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Solution

The fourth proportional to 112,457.20, 168,715.34 and 40,417.38 is: 60,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,457.20 : 168,715.34 = 40,417.38 : x
  2. Step 2: Convert to fraction form
    112,457.20/168,715.34 = 40,417.38/x
  3. Step 3: Cross multiply
    112,457.20x = 168,715.34 × 40,417.38
  4. Step 4: Simplify right side
    112,457.20x = 6,819,031,806.52
  5. Step 5: Solve for x
    x = 6,819,031,806.52/112,457.20
  6. Step 6: Final answer
    x = 60,636.68

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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.