Home / 102,206.41-141,048.84-56,886.30

Finding the Fourth Proportional to 102,206.41, 141,048.84 and 56,886.30

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Solution

The fourth proportional to 102,206.41, 141,048.84 and 56,886.30 is: 78,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,206.41 : 141,048.84 = 56,886.30 : x
  2. Step 2: Convert to fraction form
    102,206.41/141,048.84 = 56,886.30/x
  3. Step 3: Cross multiply
    102,206.41x = 141,048.84 × 56,886.30
  4. Step 4: Simplify right side
    102,206.41x = 8,023,746,840.22
  5. Step 5: Solve for x
    x = 8,023,746,840.22/102,206.41
  6. Step 6: Final answer
    x = 78,505.32

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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.