Home / 133,547.66-200,331.86-38,779.41

Finding the Fourth Proportional to 133,547.66, 200,331.86 and 38,779.41

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Solution

The fourth proportional to 133,547.66, 200,331.86 and 38,779.41 is: 58,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,547.66 : 200,331.86 = 38,779.41 : x
  2. Step 2: Convert to fraction form
    133,547.66/200,331.86 = 38,779.41/x
  3. Step 3: Cross multiply
    133,547.66x = 200,331.86 × 38,779.41
  4. Step 4: Simplify right side
    133,547.66x = 7,768,750,680.71
  5. Step 5: Solve for x
    x = 7,768,750,680.71/133,547.66
  6. Step 6: Final answer
    x = 58,172.12

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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.