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Finding the Fourth Proportional to 133,547.67, 200,400.21 and 49,367.34

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Solution

The fourth proportional to 133,547.67, 200,400.21 and 49,367.34 is: 74,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,547.67 : 200,400.21 = 49,367.34 : x
  2. Step 2: Convert to fraction form
    133,547.67/200,400.21 = 49,367.34/x
  3. Step 3: Cross multiply
    133,547.67x = 200,400.21 × 49,367.34
  4. Step 4: Simplify right side
    133,547.67x = 9,893,225,303.14
  5. Step 5: Solve for x
    x = 9,893,225,303.14/133,547.67
  6. Step 6: Final answer
    x = 74,080.10

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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.