Home / 248,637.12-343,127.52-135,470.40

Finding the Fourth Proportional to 248,637.12, 343,127.52 and 135,470.40

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Solution

The fourth proportional to 248,637.12, 343,127.52 and 135,470.40 is: 186,953.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,637.12 : 343,127.52 = 135,470.40 : x
  2. Step 2: Convert to fraction form
    248,637.12/343,127.52 = 135,470.40/x
  3. Step 3: Cross multiply
    248,637.12x = 343,127.52 × 135,470.40
  4. Step 4: Simplify right side
    248,637.12x = 46,483,622,385.41
  5. Step 5: Solve for x
    x = 46,483,622,385.41/248,637.12
  6. Step 6: Final answer
    x = 186,953.67

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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.