Home / 155,349.80-214,154.52-109,887.76

Finding the Fourth Proportional to 155,349.80, 214,154.52 and 109,887.76

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Solution

The fourth proportional to 155,349.80, 214,154.52 and 109,887.76 is: 151,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,349.80 : 214,154.52 = 109,887.76 : x
  2. Step 2: Convert to fraction form
    155,349.80/214,154.52 = 109,887.76/x
  3. Step 3: Cross multiply
    155,349.80x = 214,154.52 × 109,887.76
  4. Step 4: Simplify right side
    155,349.80x = 23,532,960,496.68
  5. Step 5: Solve for x
    x = 23,532,960,496.68/155,349.80
  6. Step 6: Final answer
    x = 151,483.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.