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Finding the Fourth Proportional to 152,140.60, 228,210.90 and 67,900.60

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Solution

The fourth proportional to 152,140.60, 228,210.90 and 67,900.60 is: 101,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,140.60 : 228,210.90 = 67,900.60 : x
  2. Step 2: Convert to fraction form
    152,140.60/228,210.90 = 67,900.60/x
  3. Step 3: Cross multiply
    152,140.60x = 228,210.90 × 67,900.60
  4. Step 4: Simplify right side
    152,140.60x = 15,495,657,036.54
  5. Step 5: Solve for x
    x = 15,495,657,036.54/152,140.60
  6. Step 6: Final answer
    x = 101,850.90

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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.