Home / 180,454.13-249,000.63-99,881.46

Finding the Fourth Proportional to 180,454.13, 249,000.63 and 99,881.46

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Solution

The fourth proportional to 180,454.13, 249,000.63 and 99,881.46 is: 137,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,454.13 : 249,000.63 = 99,881.46 : x
  2. Step 2: Convert to fraction form
    180,454.13/249,000.63 = 99,881.46/x
  3. Step 3: Cross multiply
    180,454.13x = 249,000.63 × 99,881.46
  4. Step 4: Simplify right side
    180,454.13x = 24,870,545,723.79
  5. Step 5: Solve for x
    x = 24,870,545,723.79/180,454.13
  6. Step 6: Final answer
    x = 137,821.98

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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.