Home / 118,347.21-163,318.05-64,632.06

Finding the Fourth Proportional to 118,347.21, 163,318.05 and 64,632.06

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Solution

The fourth proportional to 118,347.21, 163,318.05 and 64,632.06 is: 89,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,347.21 : 163,318.05 = 64,632.06 : x
  2. Step 2: Convert to fraction form
    118,347.21/163,318.05 = 64,632.06/x
  3. Step 3: Cross multiply
    118,347.21x = 163,318.05 × 64,632.06
  4. Step 4: Simplify right side
    118,347.21x = 10,555,582,006.68
  5. Step 5: Solve for x
    x = 10,555,582,006.68/118,347.21
  6. Step 6: Final answer
    x = 89,191.64

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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.