Home / 145,338.34-218,007.60-45,507.10

Finding the Fourth Proportional to 145,338.34, 218,007.60 and 45,507.10

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Solution

The fourth proportional to 145,338.34, 218,007.60 and 45,507.10 is: 68,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,338.34 : 218,007.60 = 45,507.10 : x
  2. Step 2: Convert to fraction form
    145,338.34/218,007.60 = 45,507.10/x
  3. Step 3: Cross multiply
    145,338.34x = 218,007.60 × 45,507.10
  4. Step 4: Simplify right side
    145,338.34x = 9,920,893,653.96
  5. Step 5: Solve for x
    x = 9,920,893,653.96/145,338.34
  6. Step 6: Final answer
    x = 68,260.68

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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.