Home / 140,392.12-210,511.06-69,158.02

Finding the Fourth Proportional to 140,392.12, 210,511.06 and 69,158.02

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Solution

The fourth proportional to 140,392.12, 210,511.06 and 69,158.02 is: 103,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,392.12 : 210,511.06 = 69,158.02 : x
  2. Step 2: Convert to fraction form
    140,392.12/210,511.06 = 69,158.02/x
  3. Step 3: Cross multiply
    140,392.12x = 210,511.06 × 69,158.02
  4. Step 4: Simplify right side
    140,392.12x = 14,558,528,097.70
  5. Step 5: Solve for x
    x = 14,558,528,097.70/140,392.12
  6. Step 6: Final answer
    x = 103,699.04

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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.