Home / 112,424.43-155,154.55-64,028.40

Finding the Fourth Proportional to 112,424.43, 155,154.55 and 64,028.40

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Solution

The fourth proportional to 112,424.43, 155,154.55 and 64,028.40 is: 88,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,424.43 : 155,154.55 = 64,028.40 : x
  2. Step 2: Convert to fraction form
    112,424.43/155,154.55 = 64,028.40/x
  3. Step 3: Cross multiply
    112,424.43x = 155,154.55 × 64,028.40
  4. Step 4: Simplify right side
    112,424.43x = 9,934,297,589.22
  5. Step 5: Solve for x
    x = 9,934,297,589.22/112,424.43
  6. Step 6: Final answer
    x = 88,364.22

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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.