Home / 145,877.85-217,282.61-139,052.25

Finding the Fourth Proportional to 145,877.85, 217,282.61 and 139,052.25

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Solution

The fourth proportional to 145,877.85, 217,282.61 and 139,052.25 is: 207,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,877.85 : 217,282.61 = 139,052.25 : x
  2. Step 2: Convert to fraction form
    145,877.85/217,282.61 = 139,052.25/x
  3. Step 3: Cross multiply
    145,877.85x = 217,282.61 × 139,052.25
  4. Step 4: Simplify right side
    145,877.85x = 30,213,636,154.00
  5. Step 5: Solve for x
    x = 30,213,636,154.00/145,877.85
  6. Step 6: Final answer
    x = 207,116.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.