Home / 207,612.07-286,504.67-112,118.77

Finding the Fourth Proportional to 207,612.07, 286,504.67 and 112,118.77

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Solution

The fourth proportional to 207,612.07, 286,504.67 and 112,118.77 is: 154,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,612.07 : 286,504.67 = 112,118.77 : x
  2. Step 2: Convert to fraction form
    207,612.07/286,504.67 = 112,118.77/x
  3. Step 3: Cross multiply
    207,612.07x = 286,504.67 × 112,118.77
  4. Step 4: Simplify right side
    207,612.07x = 32,122,551,199.66
  5. Step 5: Solve for x
    x = 32,122,551,199.66/207,612.07
  6. Step 6: Final answer
    x = 154,723.91

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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.