Home / 248,289.56-342,646.74-135,119.48

Finding the Fourth Proportional to 248,289.56, 342,646.74 and 135,119.48

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Solution

The fourth proportional to 248,289.56, 342,646.74 and 135,119.48 is: 186,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,289.56 : 342,646.74 = 135,119.48 : x
  2. Step 2: Convert to fraction form
    248,289.56/342,646.74 = 135,119.48/x
  3. Step 3: Cross multiply
    248,289.56x = 342,646.74 × 135,119.48
  4. Step 4: Simplify right side
    248,289.56x = 46,298,249,332.50
  5. Step 5: Solve for x
    x = 46,298,249,332.50/248,289.56
  6. Step 6: Final answer
    x = 186,468.77

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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.