Home / 155,356.62-232,533.74-80,373.50

Finding the Fourth Proportional to 155,356.62, 232,533.74 and 80,373.50

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Solution

The fourth proportional to 155,356.62, 232,533.74 and 80,373.50 is: 120,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,356.62 : 232,533.74 = 80,373.50 : x
  2. Step 2: Convert to fraction form
    155,356.62/232,533.74 = 80,373.50/x
  3. Step 3: Cross multiply
    155,356.62x = 232,533.74 × 80,373.50
  4. Step 4: Simplify right side
    155,356.62x = 18,689,550,150.02
  5. Step 5: Solve for x
    x = 18,689,550,150.02/155,356.62
  6. Step 6: Final answer
    x = 120,300.96

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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.