Home / 140,516.64-209,756.52-130,111.38

Finding the Fourth Proportional to 140,516.64, 209,756.52 and 130,111.38

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Solution

The fourth proportional to 140,516.64, 209,756.52 and 130,111.38 is: 194,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,516.64 : 209,756.52 = 130,111.38 : x
  2. Step 2: Convert to fraction form
    140,516.64/209,756.52 = 130,111.38/x
  3. Step 3: Cross multiply
    140,516.64x = 209,756.52 × 130,111.38
  4. Step 4: Simplify right side
    140,516.64x = 27,291,710,281.20
  5. Step 5: Solve for x
    x = 27,291,710,281.20/140,516.64
  6. Step 6: Final answer
    x = 194,224.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.