Home / 134,695.58-185,838.69-78,095.66

Finding the Fourth Proportional to 134,695.58, 185,838.69 and 78,095.66

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Solution

The fourth proportional to 134,695.58, 185,838.69 and 78,095.66 is: 107,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,695.58 : 185,838.69 = 78,095.66 : x
  2. Step 2: Convert to fraction form
    134,695.58/185,838.69 = 78,095.66/x
  3. Step 3: Cross multiply
    134,695.58x = 185,838.69 × 78,095.66
  4. Step 4: Simplify right side
    134,695.58x = 14,513,195,149.09
  5. Step 5: Solve for x
    x = 14,513,195,149.09/134,695.58
  6. Step 6: Final answer
    x = 107,748.12

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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.