Home / 134,739.10-202,108.65-39,972.70

Finding the Fourth Proportional to 134,739.10, 202,108.65 and 39,972.70

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Solution

The fourth proportional to 134,739.10, 202,108.65 and 39,972.70 is: 59,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,739.10 : 202,108.65 = 39,972.70 : x
  2. Step 2: Convert to fraction form
    134,739.10/202,108.65 = 39,972.70/x
  3. Step 3: Cross multiply
    134,739.10x = 202,108.65 × 39,972.70
  4. Step 4: Simplify right side
    134,739.10x = 8,078,828,433.86
  5. Step 5: Solve for x
    x = 8,078,828,433.86/134,739.10
  6. Step 6: Final answer
    x = 59,959.05

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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.