Home / 152,151.20-228,226.80-99,274.40

Finding the Fourth Proportional to 152,151.20, 228,226.80 and 99,274.40

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Solution

The fourth proportional to 152,151.20, 228,226.80 and 99,274.40 is: 148,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,151.20 : 228,226.80 = 99,274.40 : x
  2. Step 2: Convert to fraction form
    152,151.20/228,226.80 = 99,274.40/x
  3. Step 3: Cross multiply
    152,151.20x = 228,226.80 × 99,274.40
  4. Step 4: Simplify right side
    152,151.20x = 22,657,078,633.92
  5. Step 5: Solve for x
    x = 22,657,078,633.92/152,151.20
  6. Step 6: Final answer
    x = 148,911.60

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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.