Home / 112,997.60-155,931.44-62,009.08

Finding the Fourth Proportional to 112,997.60, 155,931.44 and 62,009.08

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Solution

The fourth proportional to 112,997.60, 155,931.44 and 62,009.08 is: 85,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,997.60 : 155,931.44 = 62,009.08 : x
  2. Step 2: Convert to fraction form
    112,997.60/155,931.44 = 62,009.08/x
  3. Step 3: Cross multiply
    112,997.60x = 155,931.44 × 62,009.08
  4. Step 4: Simplify right side
    112,997.60x = 9,669,165,137.48
  5. Step 5: Solve for x
    x = 9,669,165,137.48/112,997.60
  6. Step 6: Final answer
    x = 85,569.65

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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.