Home / 112,823.20-169,234.80-98,999.20

Finding the Fourth Proportional to 112,823.20, 169,234.80 and 98,999.20

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Solution

The fourth proportional to 112,823.20, 169,234.80 and 98,999.20 is: 148,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,823.20 : 169,234.80 = 98,999.20 : x
  2. Step 2: Convert to fraction form
    112,823.20/169,234.80 = 98,999.20/x
  3. Step 3: Cross multiply
    112,823.20x = 169,234.80 × 98,999.20
  4. Step 4: Simplify right side
    112,823.20x = 16,754,109,812.16
  5. Step 5: Solve for x
    x = 16,754,109,812.16/112,823.20
  6. Step 6: Final answer
    x = 148,498.80

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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.