Home / 152,721.74-230,112.46-126,646.22

Finding the Fourth Proportional to 152,721.74, 230,112.46 and 126,646.22

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Solution

The fourth proportional to 152,721.74, 230,112.46 and 126,646.22 is: 190,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,721.74 : 230,112.46 = 126,646.22 : x
  2. Step 2: Convert to fraction form
    152,721.74/230,112.46 = 126,646.22/x
  3. Step 3: Cross multiply
    152,721.74x = 230,112.46 × 126,646.22
  4. Step 4: Simplify right side
    152,721.74x = 29,142,872,600.67
  5. Step 5: Solve for x
    x = 29,142,872,600.67/152,721.74
  6. Step 6: Final answer
    x = 190,823.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.