Home / 180,485.46-249,061.86-99,907.29

Finding the Fourth Proportional to 180,485.46, 249,061.86 and 99,907.29

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Solution

The fourth proportional to 180,485.46, 249,061.86 and 99,907.29 is: 137,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,485.46 : 249,061.86 = 99,907.29 : x
  2. Step 2: Convert to fraction form
    180,485.46/249,061.86 = 99,907.29/x
  3. Step 3: Cross multiply
    180,485.46x = 249,061.86 × 99,907.29
  4. Step 4: Simplify right side
    180,485.46x = 24,883,095,474.96
  5. Step 5: Solve for x
    x = 24,883,095,474.96/180,485.46
  6. Step 6: Final answer
    x = 137,867.59

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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.