Home / 137,315.90-205,714.65-70,528.70

Finding the Fourth Proportional to 137,315.90, 205,714.65 and 70,528.70

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Solution

The fourth proportional to 137,315.90, 205,714.65 and 70,528.70 is: 105,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,315.90 : 205,714.65 = 70,528.70 : x
  2. Step 2: Convert to fraction form
    137,315.90/205,714.65 = 70,528.70/x
  3. Step 3: Cross multiply
    137,315.90x = 205,714.65 × 70,528.70
  4. Step 4: Simplify right side
    137,315.90x = 14,508,786,835.46
  5. Step 5: Solve for x
    x = 14,508,786,835.46/137,315.90
  6. Step 6: Final answer
    x = 105,659.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.