Home / 102,206.19-141,048.59-56,886.08

Finding the Fourth Proportional to 102,206.19, 141,048.59 and 56,886.08

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Solution

The fourth proportional to 102,206.19, 141,048.59 and 56,886.08 is: 78,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,206.19 : 141,048.59 = 56,886.08 : x
  2. Step 2: Convert to fraction form
    102,206.19/141,048.59 = 56,886.08/x
  3. Step 3: Cross multiply
    102,206.19x = 141,048.59 × 56,886.08
  4. Step 4: Simplify right side
    102,206.19x = 8,023,701,374.63
  5. Step 5: Solve for x
    x = 8,023,701,374.63/102,206.19
  6. Step 6: Final answer
    x = 78,505.04

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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.