Home / 134,848.80-202,329.90-72,446.40

Finding the Fourth Proportional to 134,848.80, 202,329.90 and 72,446.40

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Solution

The fourth proportional to 134,848.80, 202,329.90 and 72,446.40 is: 108,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,848.80 : 202,329.90 = 72,446.40 : x
  2. Step 2: Convert to fraction form
    134,848.80/202,329.90 = 72,446.40/x
  3. Step 3: Cross multiply
    134,848.80x = 202,329.90 × 72,446.40
  4. Step 4: Simplify right side
    134,848.80x = 14,658,072,867.36
  5. Step 5: Solve for x
    x = 14,658,072,867.36/134,848.80
  6. Step 6: Final answer
    x = 108,700.06

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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.