Home / 112,214.48-154,855.20-63,816.40

Finding the Fourth Proportional to 112,214.48, 154,855.20 and 63,816.40

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Solution

The fourth proportional to 112,214.48, 154,855.20 and 63,816.40 is: 88,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,214.48 : 154,855.20 = 63,816.40 : x
  2. Step 2: Convert to fraction form
    112,214.48/154,855.20 = 63,816.40/x
  3. Step 3: Cross multiply
    112,214.48x = 154,855.20 × 63,816.40
  4. Step 4: Simplify right side
    112,214.48x = 9,882,301,385.28
  5. Step 5: Solve for x
    x = 9,882,301,385.28/112,214.48
  6. Step 6: Final answer
    x = 88,066.19

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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.