Home / 112,142.36-154,760.17-61,159.29

Finding the Fourth Proportional to 112,142.36, 154,760.17 and 61,159.29

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Solution

The fourth proportional to 112,142.36, 154,760.17 and 61,159.29 is: 84,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,142.36 : 154,760.17 = 61,159.29 : x
  2. Step 2: Convert to fraction form
    112,142.36/154,760.17 = 61,159.29/x
  3. Step 3: Cross multiply
    112,142.36x = 154,760.17 × 61,159.29
  4. Step 4: Simplify right side
    112,142.36x = 9,465,021,934.17
  5. Step 5: Solve for x
    x = 9,465,021,934.17/112,142.36
  6. Step 6: Final answer
    x = 84,401.84

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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.