Home / 134,444.80-201,667.20-55,615.60

Finding the Fourth Proportional to 134,444.80, 201,667.20 and 55,615.60

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Solution

The fourth proportional to 134,444.80, 201,667.20 and 55,615.60 is: 83,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,444.80 : 201,667.20 = 55,615.60 : x
  2. Step 2: Convert to fraction form
    134,444.80/201,667.20 = 55,615.60/x
  3. Step 3: Cross multiply
    134,444.80x = 201,667.20 × 55,615.60
  4. Step 4: Simplify right side
    134,444.80x = 11,215,842,328.32
  5. Step 5: Solve for x
    x = 11,215,842,328.32/134,444.80
  6. Step 6: Final answer
    x = 83,423.40

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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.