Home / 175,011.84-261,895.68-128,148.48

Finding the Fourth Proportional to 175,011.84, 261,895.68 and 128,148.48

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Solution

The fourth proportional to 175,011.84, 261,895.68 and 128,148.48 is: 191,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,011.84 : 261,895.68 = 128,148.48 : x
  2. Step 2: Convert to fraction form
    175,011.84/261,895.68 = 128,148.48/x
  3. Step 3: Cross multiply
    175,011.84x = 261,895.68 × 128,148.48
  4. Step 4: Simplify right side
    175,011.84x = 33,561,533,310.57
  5. Step 5: Solve for x
    x = 33,561,533,310.57/175,011.84
  6. Step 6: Final answer
    x = 191,767.22

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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.