Home / 243,519.92-336,070.32-148,011.20

Finding the Fourth Proportional to 243,519.92, 336,070.32 and 148,011.20

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Solution

The fourth proportional to 243,519.92, 336,070.32 and 148,011.20 is: 204,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,519.92 : 336,070.32 = 148,011.20 : x
  2. Step 2: Convert to fraction form
    243,519.92/336,070.32 = 148,011.20/x
  3. Step 3: Cross multiply
    243,519.92x = 336,070.32 × 148,011.20
  4. Step 4: Simplify right side
    243,519.92x = 49,742,171,347.58
  5. Step 5: Solve for x
    x = 49,742,171,347.58/243,519.92
  6. Step 6: Final answer
    x = 204,263.25

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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.