Home / 107,458.90-161,111.55-48,246.10

Finding the Fourth Proportional to 107,458.90, 161,111.55 and 48,246.10

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Solution

The fourth proportional to 107,458.90, 161,111.55 and 48,246.10 is: 72,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,458.90 : 161,111.55 = 48,246.10 : x
  2. Step 2: Convert to fraction form
    107,458.90/161,111.55 = 48,246.10/x
  3. Step 3: Cross multiply
    107,458.90x = 161,111.55 × 48,246.10
  4. Step 4: Simplify right side
    107,458.90x = 7,773,003,952.46
  5. Step 5: Solve for x
    x = 7,773,003,952.46/107,458.90
  6. Step 6: Final answer
    x = 72,334.67

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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.