Home / 126,041.67-173,698.02-90,169.40

Finding the Fourth Proportional to 126,041.67, 173,698.02 and 90,169.40

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Solution

The fourth proportional to 126,041.67, 173,698.02 and 90,169.40 is: 124,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,041.67 : 173,698.02 = 90,169.40 : x
  2. Step 2: Convert to fraction form
    126,041.67/173,698.02 = 90,169.40/x
  3. Step 3: Cross multiply
    126,041.67x = 173,698.02 × 90,169.40
  4. Step 4: Simplify right side
    126,041.67x = 15,662,246,678.83
  5. Step 5: Solve for x
    x = 15,662,246,678.83/126,041.67
  6. Step 6: Final answer
    x = 124,262.45

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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.