Home / 117,874.77-162,670.83-64,163.40

Finding the Fourth Proportional to 117,874.77, 162,670.83 and 64,163.40

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Solution

The fourth proportional to 117,874.77, 162,670.83 and 64,163.40 is: 88,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,874.77 : 162,670.83 = 64,163.40 : x
  2. Step 2: Convert to fraction form
    117,874.77/162,670.83 = 64,163.40/x
  3. Step 3: Cross multiply
    117,874.77x = 162,670.83 × 64,163.40
  4. Step 4: Simplify right side
    117,874.77x = 10,437,513,533.62
  5. Step 5: Solve for x
    x = 10,437,513,533.62/117,874.77
  6. Step 6: Final answer
    x = 88,547.48

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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.