Home / 345,165.60-517,536.99-134,557.50

Finding the Fourth Proportional to 345,165.60, 517,536.99 and 134,557.50

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Solution

The fourth proportional to 345,165.60, 517,536.99 and 134,557.50 is: 201,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,165.60 : 517,536.99 = 134,557.50 : x
  2. Step 2: Convert to fraction form
    345,165.60/517,536.99 = 134,557.50/x
  3. Step 3: Cross multiply
    345,165.60x = 517,536.99 × 134,557.50
  4. Step 4: Simplify right side
    345,165.60x = 69,638,483,531.93
  5. Step 5: Solve for x
    x = 69,638,483,531.93/345,165.60
  6. Step 6: Final answer
    x = 201,753.84

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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.