Home / 112,330.95-155,726.48-106,338.57

Finding the Fourth Proportional to 112,330.95, 155,726.48 and 106,338.57

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Solution

The fourth proportional to 112,330.95, 155,726.48 and 106,338.57 is: 147,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,330.95 : 155,726.48 = 106,338.57 : x
  2. Step 2: Convert to fraction form
    112,330.95/155,726.48 = 106,338.57/x
  3. Step 3: Cross multiply
    112,330.95x = 155,726.48 × 106,338.57
  4. Step 4: Simplify right side
    112,330.95x = 16,559,730,662.64
  5. Step 5: Solve for x
    x = 16,559,730,662.64/112,330.95
  6. Step 6: Final answer
    x = 147,419.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.