Home / 145,930.68-201,338.01-115,206.39

Finding the Fourth Proportional to 145,930.68, 201,338.01 and 115,206.39

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Solution

The fourth proportional to 145,930.68, 201,338.01 and 115,206.39 is: 158,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,930.68 : 201,338.01 = 115,206.39 : x
  2. Step 2: Convert to fraction form
    145,930.68/201,338.01 = 115,206.39/x
  3. Step 3: Cross multiply
    145,930.68x = 201,338.01 × 115,206.39
  4. Step 4: Simplify right side
    145,930.68x = 23,195,425,301.88
  5. Step 5: Solve for x
    x = 23,195,425,301.88/145,930.68
  6. Step 6: Final answer
    x = 158,948.24

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1.5x scale

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.