Home / 155,436.74-214,510.58-91,773.17

Finding the Fourth Proportional to 155,436.74, 214,510.58 and 91,773.17

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Solution

The fourth proportional to 155,436.74, 214,510.58 and 91,773.17 is: 126,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,436.74 : 214,510.58 = 91,773.17 : x
  2. Step 2: Convert to fraction form
    155,436.74/214,510.58 = 91,773.17/x
  3. Step 3: Cross multiply
    155,436.74x = 214,510.58 × 91,773.17
  4. Step 4: Simplify right side
    155,436.74x = 19,686,314,393.72
  5. Step 5: Solve for x
    x = 19,686,314,393.72/155,436.74
  6. Step 6: Final answer
    x = 126,651.62

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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.