Home / 112,340.64-168,510.48-45,765.92

Finding the Fourth Proportional to 112,340.64, 168,510.48 and 45,765.92

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Solution

The fourth proportional to 112,340.64, 168,510.48 and 45,765.92 is: 68,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,340.64 : 168,510.48 = 45,765.92 : x
  2. Step 2: Convert to fraction form
    112,340.64/168,510.48 = 45,765.92/x
  3. Step 3: Cross multiply
    112,340.64x = 168,510.48 × 45,765.92
  4. Step 4: Simplify right side
    112,340.64x = 7,712,037,146.84
  5. Step 5: Solve for x
    x = 7,712,037,146.84/112,340.64
  6. Step 6: Final answer
    x = 68,648.68

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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.