Home / 112,072.71-154,658.34-61,085.91

Finding the Fourth Proportional to 112,072.71, 154,658.34 and 61,085.91

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Solution

The fourth proportional to 112,072.71, 154,658.34 and 61,085.91 is: 84,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072.71 : 154,658.34 = 61,085.91 : x
  2. Step 2: Convert to fraction form
    112,072.71/154,658.34 = 61,085.91/x
  3. Step 3: Cross multiply
    112,072.71x = 154,658.34 × 61,085.91
  4. Step 4: Simplify right side
    112,072.71x = 9,447,445,437.99
  5. Step 5: Solve for x
    x = 9,447,445,437.99/112,072.71
  6. Step 6: Final answer
    x = 84,297.47

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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.