Home / 112,009.64-168,206.22-74,808.77

Finding the Fourth Proportional to 112,009.64, 168,206.22 and 74,808.77

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Solution

The fourth proportional to 112,009.64, 168,206.22 and 74,808.77 is: 112,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,009.64 : 168,206.22 = 74,808.77 : x
  2. Step 2: Convert to fraction form
    112,009.64/168,206.22 = 74,808.77/x
  3. Step 3: Cross multiply
    112,009.64x = 168,206.22 × 74,808.77
  4. Step 4: Simplify right side
    112,009.64x = 12,583,299,583.52
  5. Step 5: Solve for x
    x = 12,583,299,583.52/112,009.64
  6. Step 6: Final answer
    x = 112,341.22

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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.