Home / 152,419.40-228,629.10-96,432.20

Finding the Fourth Proportional to 152,419.40, 228,629.10 and 96,432.20

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Solution

The fourth proportional to 152,419.40, 228,629.10 and 96,432.20 is: 144,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,419.40 : 228,629.10 = 96,432.20 : x
  2. Step 2: Convert to fraction form
    152,419.40/228,629.10 = 96,432.20/x
  3. Step 3: Cross multiply
    152,419.40x = 228,629.10 × 96,432.20
  4. Step 4: Simplify right side
    152,419.40x = 22,047,207,097.02
  5. Step 5: Solve for x
    x = 22,047,207,097.02/152,419.40
  6. Step 6: Final answer
    x = 144,648.30

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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.