Home / 118,410.11-163,408.30-64,698.45

Finding the Fourth Proportional to 118,410.11, 163,408.30 and 64,698.45

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Solution

The fourth proportional to 118,410.11, 163,408.30 and 64,698.45 is: 89,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,410.11 : 163,408.30 = 64,698.45 : x
  2. Step 2: Convert to fraction form
    118,410.11/163,408.30 = 64,698.45/x
  3. Step 3: Cross multiply
    118,410.11x = 163,408.30 × 64,698.45
  4. Step 4: Simplify right side
    118,410.11x = 10,572,263,727.14
  5. Step 5: Solve for x
    x = 10,572,263,727.14/118,410.11
  6. Step 6: Final answer
    x = 89,285.14

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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.