Home / 112,649.95-155,453.85-64,250.79

Finding the Fourth Proportional to 112,649.95, 155,453.85 and 64,250.79

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Solution

The fourth proportional to 112,649.95, 155,453.85 and 64,250.79 is: 88,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,649.95 : 155,453.85 = 64,250.79 : x
  2. Step 2: Convert to fraction form
    112,649.95/155,453.85 = 64,250.79/x
  3. Step 3: Cross multiply
    112,649.95x = 155,453.85 × 64,250.79
  4. Step 4: Simplify right side
    112,649.95x = 9,988,032,088.09
  5. Step 5: Solve for x
    x = 9,988,032,088.09/112,649.95
  6. Step 6: Final answer
    x = 88,664.33

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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.