Home / 112,282.19-154,949.70-61,294.95

Finding the Fourth Proportional to 112,282.19, 154,949.70 and 61,294.95

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Solution

The fourth proportional to 112,282.19, 154,949.70 and 61,294.95 is: 84,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,282.19 : 154,949.70 = 61,294.95 : x
  2. Step 2: Convert to fraction form
    112,282.19/154,949.70 = 61,294.95/x
  3. Step 3: Cross multiply
    112,282.19x = 154,949.70 × 61,294.95
  4. Step 4: Simplify right side
    112,282.19x = 9,497,634,114.02
  5. Step 5: Solve for x
    x = 9,497,634,114.02/112,282.19
  6. Step 6: Final answer
    x = 84,587.19

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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.