Home / 160,725.60-221,756.40-126,628.38

Finding the Fourth Proportional to 160,725.60, 221,756.40 and 126,628.38

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Solution

The fourth proportional to 160,725.60, 221,756.40 and 126,628.38 is: 174,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,725.60 : 221,756.40 = 126,628.38 : x
  2. Step 2: Convert to fraction form
    160,725.60/221,756.40 = 126,628.38/x
  3. Step 3: Cross multiply
    160,725.60x = 221,756.40 × 126,628.38
  4. Step 4: Simplify right side
    160,725.60x = 28,080,653,686.63
  5. Step 5: Solve for x
    x = 28,080,653,686.63/160,725.60
  6. Step 6: Final answer
    x = 174,711.77

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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.