Home / 97,137.12-133,998.48-61,314.24

Finding the Fourth Proportional to 97,137.12, 133,998.48 and 61,314.24

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Solution

The fourth proportional to 97,137.12, 133,998.48 and 61,314.24 is: 84,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,137.12 : 133,998.48 = 61,314.24 : x
  2. Step 2: Convert to fraction form
    97,137.12/133,998.48 = 61,314.24/x
  3. Step 3: Cross multiply
    97,137.12x = 133,998.48 × 61,314.24
  4. Step 4: Simplify right side
    97,137.12x = 8,216,014,962.36
  5. Step 5: Solve for x
    x = 8,216,014,962.36/97,137.12
  6. Step 6: Final answer
    x = 84,581.62

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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.