Home / 112,289.43-154,950.11-63,878.48

Finding the Fourth Proportional to 112,289.43, 154,950.11 and 63,878.48

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Solution

The fourth proportional to 112,289.43, 154,950.11 and 63,878.48 is: 88,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,289.43 : 154,950.11 = 63,878.48 : x
  2. Step 2: Convert to fraction form
    112,289.43/154,950.11 = 63,878.48/x
  3. Step 3: Cross multiply
    112,289.43x = 154,950.11 × 63,878.48
  4. Step 4: Simplify right side
    112,289.43x = 9,897,976,703.47
  5. Step 5: Solve for x
    x = 9,897,976,703.47/112,289.43
  6. Step 6: Final answer
    x = 88,147.00

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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.