Home / 112,007.96-154,569.17-61,021.30

Finding the Fourth Proportional to 112,007.96, 154,569.17 and 61,021.30

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Solution

The fourth proportional to 112,007.96, 154,569.17 and 61,021.30 is: 84,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,007.96 : 154,569.17 = 61,021.30 : x
  2. Step 2: Convert to fraction form
    112,007.96/154,569.17 = 61,021.30/x
  3. Step 3: Cross multiply
    112,007.96x = 154,569.17 × 61,021.30
  4. Step 4: Simplify right side
    112,007.96x = 9,432,011,182.99
  5. Step 5: Solve for x
    x = 9,432,011,182.99/112,007.96
  6. Step 6: Final answer
    x = 84,208.40

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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.