Home / 117,864.42-162,656.36-64,152.92

Finding the Fourth Proportional to 117,864.42, 162,656.36 and 64,152.92

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Solution

The fourth proportional to 117,864.42, 162,656.36 and 64,152.92 is: 88,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,864.42 : 162,656.36 = 64,152.92 : x
  2. Step 2: Convert to fraction form
    117,864.42/162,656.36 = 64,152.92/x
  3. Step 3: Cross multiply
    117,864.42x = 162,656.36 × 64,152.92
  4. Step 4: Simplify right side
    117,864.42x = 10,434,880,167.06
  5. Step 5: Solve for x
    x = 10,434,880,167.06/117,864.42
  6. Step 6: Final answer
    x = 88,532.91

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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.