Home / 78,331.14-108,098.80-46,500.16

Finding the Fourth Proportional to 78,331.14, 108,098.80 and 46,500.16

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Solution

The fourth proportional to 78,331.14, 108,098.80 and 46,500.16 is: 64,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,331.14 : 108,098.80 = 46,500.16 : x
  2. Step 2: Convert to fraction form
    78,331.14/108,098.80 = 46,500.16/x
  3. Step 3: Cross multiply
    78,331.14x = 108,098.80 × 46,500.16
  4. Step 4: Simplify right side
    78,331.14x = 5,026,611,495.81
  5. Step 5: Solve for x
    x = 5,026,611,495.81/78,331.14
  6. Step 6: Final answer
    x = 64,171.31

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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.