Home / 112,015.20-154,603.62-64,301.16

Finding the Fourth Proportional to 112,015.20, 154,603.62 and 64,301.16

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Solution

The fourth proportional to 112,015.20, 154,603.62 and 64,301.16 is: 88,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015.20 : 154,603.62 = 64,301.16 : x
  2. Step 2: Convert to fraction form
    112,015.20/154,603.62 = 64,301.16/x
  3. Step 3: Cross multiply
    112,015.20x = 154,603.62 × 64,301.16
  4. Step 4: Simplify right side
    112,015.20x = 9,941,192,106.20
  5. Step 5: Solve for x
    x = 9,941,192,106.20/112,015.20
  6. Step 6: Final answer
    x = 88,748.60

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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.