Home / 117,852.09-162,631.02-64,137.21

Finding the Fourth Proportional to 117,852.09, 162,631.02 and 64,137.21

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Solution

The fourth proportional to 117,852.09, 162,631.02 and 64,137.21 is: 88,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,852.09 : 162,631.02 = 64,137.21 : x
  2. Step 2: Convert to fraction form
    117,852.09/162,631.02 = 64,137.21/x
  3. Step 3: Cross multiply
    117,852.09x = 162,631.02 × 64,137.21
  4. Step 4: Simplify right side
    117,852.09x = 10,430,699,882.25
  5. Step 5: Solve for x
    x = 10,430,699,882.25/117,852.09
  6. Step 6: Final answer
    x = 88,506.70

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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.