Home / 112,328.70-168,394.55-42,257.22

Finding the Fourth Proportional to 112,328.70, 168,394.55 and 42,257.22

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Solution

The fourth proportional to 112,328.70, 168,394.55 and 42,257.22 is: 63,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328.70 : 168,394.55 = 42,257.22 : x
  2. Step 2: Convert to fraction form
    112,328.70/168,394.55 = 42,257.22/x
  3. Step 3: Cross multiply
    112,328.70x = 168,394.55 × 42,257.22
  4. Step 4: Simplify right side
    112,328.70x = 7,115,885,334.86
  5. Step 5: Solve for x
    x = 7,115,885,334.86/112,328.70
  6. Step 6: Final answer
    x = 63,348.77

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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.