Home / 134,100.08-185,095.35-76,771.52

Finding the Fourth Proportional to 134,100.08, 185,095.35 and 76,771.52

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Solution

The fourth proportional to 134,100.08, 185,095.35 and 76,771.52 is: 105,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,100.08 : 185,095.35 = 76,771.52 : x
  2. Step 2: Convert to fraction form
    134,100.08/185,095.35 = 76,771.52/x
  3. Step 3: Cross multiply
    134,100.08x = 185,095.35 × 76,771.52
  4. Step 4: Simplify right side
    134,100.08x = 14,210,050,438.96
  5. Step 5: Solve for x
    x = 14,210,050,438.96/134,100.08
  6. Step 6: Final answer
    x = 105,966.01

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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.