Home / 148,719.39-223,079.08-43,538.36

Finding the Fourth Proportional to 148,719.39, 223,079.08 and 43,538.36

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Solution

The fourth proportional to 148,719.39, 223,079.08 and 43,538.36 is: 65,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,719.39 : 223,079.08 = 43,538.36 : x
  2. Step 2: Convert to fraction form
    148,719.39/223,079.08 = 43,538.36/x
  3. Step 3: Cross multiply
    148,719.39x = 223,079.08 × 43,538.36
  4. Step 4: Simplify right side
    148,719.39x = 9,712,497,293.51
  5. Step 5: Solve for x
    x = 9,712,497,293.51/148,719.39
  6. Step 6: Final answer
    x = 65,307.54

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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.