Home / 155,185.13-214,155.71-88,117.13

Finding the Fourth Proportional to 155,185.13, 214,155.71 and 88,117.13

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Solution

The fourth proportional to 155,185.13, 214,155.71 and 88,117.13 is: 121,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,185.13 : 214,155.71 = 88,117.13 : x
  2. Step 2: Convert to fraction form
    155,185.13/214,155.71 = 88,117.13/x
  3. Step 3: Cross multiply
    155,185.13x = 214,155.71 × 88,117.13
  4. Step 4: Simplify right side
    155,185.13x = 18,870,785,026.95
  5. Step 5: Solve for x
    x = 18,870,785,026.95/155,185.13
  6. Step 6: Final answer
    x = 121,601.76

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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.