Home / 207,719.10-286,650.90-122,834.34

Finding the Fourth Proportional to 207,719.10, 286,650.90 and 122,834.34

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Solution

The fourth proportional to 207,719.10, 286,650.90 and 122,834.34 is: 169,510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,719.10 : 286,650.90 = 122,834.34 : x
  2. Step 2: Convert to fraction form
    207,719.10/286,650.90 = 122,834.34/x
  3. Step 3: Cross multiply
    207,719.10x = 286,650.90 × 122,834.34
  4. Step 4: Simplify right side
    207,719.10x = 35,210,574,111.91
  5. Step 5: Solve for x
    x = 35,210,574,111.91/207,719.10
  6. Step 6: Final answer
    x = 169,510.53

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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.