Home / 147,815.12-204,033.48-117,655.76

Finding the Fourth Proportional to 147,815.12, 204,033.48 and 117,655.76

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Solution

The fourth proportional to 147,815.12, 204,033.48 and 117,655.76 is: 162,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,815.12 : 204,033.48 = 117,655.76 : x
  2. Step 2: Convert to fraction form
    147,815.12/204,033.48 = 117,655.76/x
  3. Step 3: Cross multiply
    147,815.12x = 204,033.48 × 117,655.76
  4. Step 4: Simplify right side
    147,815.12x = 24,005,714,154.84
  5. Step 5: Solve for x
    x = 24,005,714,154.84/147,815.12
  6. Step 6: Final answer
    x = 162,403.64

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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.