Home / 78,337.13-108,118.90-46,505.34

Finding the Fourth Proportional to 78,337.13, 108,118.90 and 46,505.34

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Solution

The fourth proportional to 78,337.13, 108,118.90 and 46,505.34 is: 64,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,337.13 : 108,118.90 = 46,505.34 : x
  2. Step 2: Convert to fraction form
    78,337.13/108,118.90 = 46,505.34/x
  3. Step 3: Cross multiply
    78,337.13x = 108,118.90 × 46,505.34
  4. Step 4: Simplify right side
    78,337.13x = 5,028,106,263.06
  5. Step 5: Solve for x
    x = 5,028,106,263.06/78,337.13
  6. Step 6: Final answer
    x = 64,185.48

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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.