Home / 78,170.15-117,412.13-46,641.74

Finding the Fourth Proportional to 78,170.15, 117,412.13 and 46,641.74

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Solution

The fourth proportional to 78,170.15, 117,412.13 and 46,641.74 is: 70,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,170.15 : 117,412.13 = 46,641.74 : x
  2. Step 2: Convert to fraction form
    78,170.15/117,412.13 = 46,641.74/x
  3. Step 3: Cross multiply
    78,170.15x = 117,412.13 × 46,641.74
  4. Step 4: Simplify right side
    78,170.15x = 5,476,305,220.04
  5. Step 5: Solve for x
    x = 5,476,305,220.04/78,170.15
  6. Step 6: Final answer
    x = 70,056.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.