Home / 180,734.09-249,499.85-127,065.11

Finding the Fourth Proportional to 180,734.09, 249,499.85 and 127,065.11

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Solution

The fourth proportional to 180,734.09, 249,499.85 and 127,065.11 is: 175,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,734.09 : 249,499.85 = 127,065.11 : x
  2. Step 2: Convert to fraction form
    180,734.09/249,499.85 = 127,065.11/x
  3. Step 3: Cross multiply
    180,734.09x = 249,499.85 × 127,065.11
  4. Step 4: Simplify right side
    180,734.09x = 31,702,724,002.41
  5. Step 5: Solve for x
    x = 31,702,724,002.41/180,734.09
  6. Step 6: Final answer
    x = 175,410.88

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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.