Home / 112,328.08-155,006.40-67,057.18

Finding the Fourth Proportional to 112,328.08, 155,006.40 and 67,057.18

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Solution

The fourth proportional to 112,328.08, 155,006.40 and 67,057.18 is: 92,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328.08 : 155,006.40 = 67,057.18 : x
  2. Step 2: Convert to fraction form
    112,328.08/155,006.40 = 67,057.18/x
  3. Step 3: Cross multiply
    112,328.08x = 155,006.40 × 67,057.18
  4. Step 4: Simplify right side
    112,328.08x = 10,394,292,065.95
  5. Step 5: Solve for x
    x = 10,394,292,065.95/112,328.08
  6. Step 6: Final answer
    x = 92,535.12

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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.