Home / 151,647.02-209,270.89-83,666.85

Finding the Fourth Proportional to 151,647.02, 209,270.89 and 83,666.85

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Solution

The fourth proportional to 151,647.02, 209,270.89 and 83,666.85 is: 115,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,647.02 : 209,270.89 = 83,666.85 : x
  2. Step 2: Convert to fraction form
    151,647.02/209,270.89 = 83,666.85/x
  3. Step 3: Cross multiply
    151,647.02x = 209,270.89 × 83,666.85
  4. Step 4: Simplify right side
    151,647.02x = 17,509,036,163.00
  5. Step 5: Solve for x
    x = 17,509,036,163.00/151,647.02
  6. Step 6: Final answer
    x = 115,459.15

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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.