Home / 151,739.06-209,406.45-84,671.06

Finding the Fourth Proportional to 151,739.06, 209,406.45 and 84,671.06

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Solution

The fourth proportional to 151,739.06, 209,406.45 and 84,671.06 is: 116,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,739.06 : 209,406.45 = 84,671.06 : x
  2. Step 2: Convert to fraction form
    151,739.06/209,406.45 = 84,671.06/x
  3. Step 3: Cross multiply
    151,739.06x = 209,406.45 × 84,671.06
  4. Step 4: Simplify right side
    151,739.06x = 17,730,666,092.34
  5. Step 5: Solve for x
    x = 17,730,666,092.34/151,739.06
  6. Step 6: Final answer
    x = 116,849.72

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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.