Home / 139,968.95-210,088.72-132,382.79

Finding the Fourth Proportional to 139,968.95, 210,088.72 and 132,382.79

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Solution

The fourth proportional to 139,968.95, 210,088.72 and 132,382.79 is: 198,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968.95 : 210,088.72 = 132,382.79 : x
  2. Step 2: Convert to fraction form
    139,968.95/210,088.72 = 132,382.79/x
  3. Step 3: Cross multiply
    139,968.95x = 210,088.72 × 132,382.79
  4. Step 4: Simplify right side
    139,968.95x = 27,812,130,804.00
  5. Step 5: Solve for x
    x = 27,812,130,804.00/139,968.95
  6. Step 6: Final answer
    x = 198,702.15

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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.