Home / 112,958.34-156,044.75-90,267.63

Finding the Fourth Proportional to 112,958.34, 156,044.75 and 90,267.63

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Solution

The fourth proportional to 112,958.34, 156,044.75 and 90,267.63 is: 124,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,958.34 : 156,044.75 = 90,267.63 : x
  2. Step 2: Convert to fraction form
    112,958.34/156,044.75 = 90,267.63/x
  3. Step 3: Cross multiply
    112,958.34x = 156,044.75 × 90,267.63
  4. Step 4: Simplify right side
    112,958.34x = 14,085,789,305.10
  5. Step 5: Solve for x
    x = 14,085,789,305.10/112,958.34
  6. Step 6: Final answer
    x = 124,698.98

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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.