Home / 124,051.38-171,239.55-87,941.55

Finding the Fourth Proportional to 124,051.38, 171,239.55 and 87,941.55

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Solution

The fourth proportional to 124,051.38, 171,239.55 and 87,941.55 is: 121,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,051.38 : 171,239.55 = 87,941.55 : x
  2. Step 2: Convert to fraction form
    124,051.38/171,239.55 = 87,941.55/x
  3. Step 3: Cross multiply
    124,051.38x = 171,239.55 × 87,941.55
  4. Step 4: Simplify right side
    124,051.38x = 15,059,071,448.30
  5. Step 5: Solve for x
    x = 15,059,071,448.30/124,051.38
  6. Step 6: Final answer
    x = 121,393.82

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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.