Home / 155,455.80-214,567.02-101,870.52

Finding the Fourth Proportional to 155,455.80, 214,567.02 and 101,870.52

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Solution

The fourth proportional to 155,455.80, 214,567.02 and 101,870.52 is: 140,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,455.80 : 214,567.02 = 101,870.52 : x
  2. Step 2: Convert to fraction form
    155,455.80/214,567.02 = 101,870.52/x
  3. Step 3: Cross multiply
    155,455.80x = 214,567.02 × 101,870.52
  4. Step 4: Simplify right side
    155,455.80x = 21,858,053,902.25
  5. Step 5: Solve for x
    x = 21,858,053,902.25/155,455.80
  6. Step 6: Final answer
    x = 140,606.23

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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.