Home / 97,326.20-145,874.10-72,673.40

Finding the Fourth Proportional to 97,326.20, 145,874.10 and 72,673.40

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Solution

The fourth proportional to 97,326.20, 145,874.10 and 72,673.40 is: 108,924.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,326.20 : 145,874.10 = 72,673.40 : x
  2. Step 2: Convert to fraction form
    97,326.20/145,874.10 = 72,673.40/x
  3. Step 3: Cross multiply
    97,326.20x = 145,874.10 × 72,673.40
  4. Step 4: Simplify right side
    97,326.20x = 10,601,166,818.94
  5. Step 5: Solve for x
    x = 10,601,166,818.94/97,326.20
  6. Step 6: Final answer
    x = 108,924.08

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1.5x scale

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.