Home / 180,528.64-249,137.29-99,956.15

Finding the Fourth Proportional to 180,528.64, 249,137.29 and 99,956.15

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Solution

The fourth proportional to 180,528.64, 249,137.29 and 99,956.15 is: 137,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,528.64 : 249,137.29 = 99,956.15 : x
  2. Step 2: Convert to fraction form
    180,528.64/249,137.29 = 99,956.15/x
  3. Step 3: Cross multiply
    180,528.64x = 249,137.29 × 99,956.15
  4. Step 4: Simplify right side
    180,528.64x = 24,902,804,329.83
  5. Step 5: Solve for x
    x = 24,902,804,329.83/180,528.64
  6. Step 6: Final answer
    x = 137,943.79

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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.