Home / 154,110.95-212,738.60-93,700.90

Finding the Fourth Proportional to 154,110.95, 212,738.60 and 93,700.90

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Solution

The fourth proportional to 154,110.95, 212,738.60 and 93,700.90 is: 129,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,110.95 : 212,738.60 = 93,700.90 : x
  2. Step 2: Convert to fraction form
    154,110.95/212,738.60 = 93,700.90/x
  3. Step 3: Cross multiply
    154,110.95x = 212,738.60 × 93,700.90
  4. Step 4: Simplify right side
    154,110.95x = 19,933,798,284.74
  5. Step 5: Solve for x
    x = 19,933,798,284.74/154,110.95
  6. Step 6: Final answer
    x = 129,347.06

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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.