Home / 155,114.92-214,050.36-87,134.76

Finding the Fourth Proportional to 155,114.92, 214,050.36 and 87,134.76

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Solution

The fourth proportional to 155,114.92, 214,050.36 and 87,134.76 is: 120,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,114.92 : 214,050.36 = 87,134.76 : x
  2. Step 2: Convert to fraction form
    155,114.92/214,050.36 = 87,134.76/x
  3. Step 3: Cross multiply
    155,114.92x = 214,050.36 × 87,134.76
  4. Step 4: Simplify right side
    155,114.92x = 18,651,226,746.51
  5. Step 5: Solve for x
    x = 18,651,226,746.51/155,114.92
  6. Step 6: Final answer
    x = 120,241.35

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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.