Home / 134,886.20-202,329.30-72,678.20

Finding the Fourth Proportional to 134,886.20, 202,329.30 and 72,678.20

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Solution

The fourth proportional to 134,886.20, 202,329.30 and 72,678.20 is: 109,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,886.20 : 202,329.30 = 72,678.20 : x
  2. Step 2: Convert to fraction form
    134,886.20/202,329.30 = 72,678.20/x
  3. Step 3: Cross multiply
    134,886.20x = 202,329.30 × 72,678.20
  4. Step 4: Simplify right side
    134,886.20x = 14,704,929,331.26
  5. Step 5: Solve for x
    x = 14,704,929,331.26/134,886.20
  6. Step 6: Final answer
    x = 109,017.30

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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.