Home / 118,259.37-163,198.38-64,545.57

Finding the Fourth Proportional to 118,259.37, 163,198.38 and 64,545.57

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Solution

The fourth proportional to 118,259.37, 163,198.38 and 64,545.57 is: 89,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,259.37 : 163,198.38 = 64,545.57 : x
  2. Step 2: Convert to fraction form
    118,259.37/163,198.38 = 64,545.57/x
  3. Step 3: Cross multiply
    118,259.37x = 163,198.38 × 64,545.57
  4. Step 4: Simplify right side
    118,259.37x = 10,533,732,460.18
  5. Step 5: Solve for x
    x = 10,533,732,460.18/118,259.37
  6. Step 6: Final answer
    x = 89,073.13

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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.