Home / 254,637.54-381,946.59-86,170.50

Finding the Fourth Proportional to 254,637.54, 381,946.59 and 86,170.50

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Solution

The fourth proportional to 254,637.54, 381,946.59 and 86,170.50 is: 129,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,637.54 : 381,946.59 = 86,170.50 : x
  2. Step 2: Convert to fraction form
    254,637.54/381,946.59 = 86,170.50/x
  3. Step 3: Cross multiply
    254,637.54x = 381,946.59 × 86,170.50
  4. Step 4: Simplify right side
    254,637.54x = 32,912,528,633.60
  5. Step 5: Solve for x
    x = 32,912,528,633.60/254,637.54
  6. Step 6: Final answer
    x = 129,252.46

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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.