Home / 112,623.52-155,421.84-62,327.20

Finding the Fourth Proportional to 112,623.52, 155,421.84 and 62,327.20

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Solution

The fourth proportional to 112,623.52, 155,421.84 and 62,327.20 is: 86,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623.52 : 155,421.84 = 62,327.20 : x
  2. Step 2: Convert to fraction form
    112,623.52/155,421.84 = 62,327.20/x
  3. Step 3: Cross multiply
    112,623.52x = 155,421.84 × 62,327.20
  4. Step 4: Simplify right side
    112,623.52x = 9,687,008,106.05
  5. Step 5: Solve for x
    x = 9,687,008,106.05/112,623.52
  6. Step 6: Final answer
    x = 86,012.30

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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.