Home / 128,210.04-192,307.77-34,708.50

Finding the Fourth Proportional to 128,210.04, 192,307.77 and 34,708.50

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Solution

The fourth proportional to 128,210.04, 192,307.77 and 34,708.50 is: 52,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,210.04 : 192,307.77 = 34,708.50 : x
  2. Step 2: Convert to fraction form
    128,210.04/192,307.77 = 34,708.50/x
  3. Step 3: Cross multiply
    128,210.04x = 192,307.77 × 34,708.50
  4. Step 4: Simplify right side
    128,210.04x = 6,674,714,235.05
  5. Step 5: Solve for x
    x = 6,674,714,235.05/128,210.04
  6. Step 6: Final answer
    x = 52,060.78

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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.