Home / 118,035.36-162,887.90-64,320.21

Finding the Fourth Proportional to 118,035.36, 162,887.90 and 64,320.21

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Solution

The fourth proportional to 118,035.36, 162,887.90 and 64,320.21 is: 88,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,035.36 : 162,887.90 = 64,320.21 : x
  2. Step 2: Convert to fraction form
    118,035.36/162,887.90 = 64,320.21/x
  3. Step 3: Cross multiply
    118,035.36x = 162,887.90 × 64,320.21
  4. Step 4: Simplify right side
    118,035.36x = 10,476,983,612.86
  5. Step 5: Solve for x
    x = 10,476,983,612.86/118,035.36
  6. Step 6: Final answer
    x = 88,761.40

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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.