Home / 134,597.12-185,731.34-79,397.84

Finding the Fourth Proportional to 134,597.12, 185,731.34 and 79,397.84

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Solution

The fourth proportional to 134,597.12, 185,731.34 and 79,397.84 is: 109,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,597.12 : 185,731.34 = 79,397.84 : x
  2. Step 2: Convert to fraction form
    134,597.12/185,731.34 = 79,397.84/x
  3. Step 3: Cross multiply
    134,597.12x = 185,731.34 × 79,397.84
  4. Step 4: Simplify right side
    134,597.12x = 14,746,666,819.32
  5. Step 5: Solve for x
    x = 14,746,666,819.32/134,597.12
  6. Step 6: Final answer
    x = 109,561.53

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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.