Home / 107,029.40-147,705.90-61,714.76

Finding the Fourth Proportional to 107,029.40, 147,705.90 and 61,714.76

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Solution

The fourth proportional to 107,029.40, 147,705.90 and 61,714.76 is: 85,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,029.40 : 147,705.90 = 61,714.76 : x
  2. Step 2: Convert to fraction form
    107,029.40/147,705.90 = 61,714.76/x
  3. Step 3: Cross multiply
    107,029.40x = 147,705.90 × 61,714.76
  4. Step 4: Simplify right side
    107,029.40x = 9,115,634,169.08
  5. Step 5: Solve for x
    x = 9,115,634,169.08/107,029.40
  6. Step 6: Final answer
    x = 85,169.44

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1.5x scale

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.