Home / 149,338.12-223,929.41-70,431.16

Finding the Fourth Proportional to 149,338.12, 223,929.41 and 70,431.16

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Solution

The fourth proportional to 149,338.12, 223,929.41 and 70,431.16 is: 105,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,338.12 : 223,929.41 = 70,431.16 : x
  2. Step 2: Convert to fraction form
    149,338.12/223,929.41 = 70,431.16/x
  3. Step 3: Cross multiply
    149,338.12x = 223,929.41 × 70,431.16
  4. Step 4: Simplify right side
    149,338.12x = 15,771,607,752.26
  5. Step 5: Solve for x
    x = 15,771,607,752.26/149,338.12
  6. Step 6: Final answer
    x = 105,610.06

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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.