Home / 118,510.22-163,544.40-64,798.70

Finding the Fourth Proportional to 118,510.22, 163,544.40 and 64,798.70

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Solution

The fourth proportional to 118,510.22, 163,544.40 and 64,798.70 is: 89,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,510.22 : 163,544.40 = 64,798.70 : x
  2. Step 2: Convert to fraction form
    118,510.22/163,544.40 = 64,798.70/x
  3. Step 3: Cross multiply
    118,510.22x = 163,544.40 × 64,798.70
  4. Step 4: Simplify right side
    118,510.22x = 10,597,464,512.28
  5. Step 5: Solve for x
    x = 10,597,464,512.28/118,510.22
  6. Step 6: Final answer
    x = 89,422.37

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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.