Home / 155,182.92-214,152.66-88,114.92

Finding the Fourth Proportional to 155,182.92, 214,152.66 and 88,114.92

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Solution

The fourth proportional to 155,182.92, 214,152.66 and 88,114.92 is: 121,598.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,182.92 : 214,152.66 = 88,114.92 : x
  2. Step 2: Convert to fraction form
    155,182.92/214,152.66 = 88,114.92/x
  3. Step 3: Cross multiply
    155,182.92x = 214,152.66 × 88,114.92
  4. Step 4: Simplify right side
    155,182.92x = 18,870,044,503.69
  5. Step 5: Solve for x
    x = 18,870,044,503.69/155,182.92
  6. Step 6: Final answer
    x = 121,598.72

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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.