Home / 107,430.40-161,145.60-48,294.40

Finding the Fourth Proportional to 107,430.40, 161,145.60 and 48,294.40

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Solution

The fourth proportional to 107,430.40, 161,145.60 and 48,294.40 is: 72,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,430.40 : 161,145.60 = 48,294.40 : x
  2. Step 2: Convert to fraction form
    107,430.40/161,145.60 = 48,294.40/x
  3. Step 3: Cross multiply
    107,430.40x = 161,145.60 × 48,294.40
  4. Step 4: Simplify right side
    107,430.40x = 7,782,430,064.64
  5. Step 5: Solve for x
    x = 7,782,430,064.64/107,430.40
  6. Step 6: Final answer
    x = 72,441.60

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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.