Home / 107,168.10-147,898.51-59,421.43

Finding the Fourth Proportional to 107,168.10, 147,898.51 and 59,421.43

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Solution

The fourth proportional to 107,168.10, 147,898.51 and 59,421.43 is: 82,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,168.10 : 147,898.51 = 59,421.43 : x
  2. Step 2: Convert to fraction form
    107,168.10/147,898.51 = 59,421.43/x
  3. Step 3: Cross multiply
    107,168.10x = 147,898.51 × 59,421.43
  4. Step 4: Simplify right side
    107,168.10x = 8,788,340,995.39
  5. Step 5: Solve for x
    x = 8,788,340,995.39/107,168.10
  6. Step 6: Final answer
    x = 82,005.20

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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.