Home / 194,636.60-291,998.10-89,430.20

Finding the Fourth Proportional to 194,636.60, 291,998.10 and 89,430.20

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Solution

The fourth proportional to 194,636.60, 291,998.10 and 89,430.20 is: 134,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,636.60 : 291,998.10 = 89,430.20 : x
  2. Step 2: Convert to fraction form
    194,636.60/291,998.10 = 89,430.20/x
  3. Step 3: Cross multiply
    194,636.60x = 291,998.10 × 89,430.20
  4. Step 4: Simplify right side
    194,636.60x = 26,113,448,482.62
  5. Step 5: Solve for x
    x = 26,113,448,482.62/194,636.60
  6. Step 6: Final answer
    x = 134,165.15

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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.