Home / 145,006.32-217,558.80-45,189.12

Finding the Fourth Proportional to 145,006.32, 217,558.80 and 45,189.12

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Solution

The fourth proportional to 145,006.32, 217,558.80 and 45,189.12 is: 67,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,006.32 : 217,558.80 = 45,189.12 : x
  2. Step 2: Convert to fraction form
    145,006.32/217,558.80 = 45,189.12/x
  3. Step 3: Cross multiply
    145,006.32x = 217,558.80 × 45,189.12
  4. Step 4: Simplify right side
    145,006.32x = 9,831,290,720.26
  5. Step 5: Solve for x
    x = 9,831,290,720.26/145,006.32
  6. Step 6: Final answer
    x = 67,799.05

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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.