Home / 94,918.40-142,280.40-55,455.20

Finding the Fourth Proportional to 94,918.40, 142,280.40 and 55,455.20

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Solution

The fourth proportional to 94,918.40, 142,280.40 and 55,455.20 is: 83,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,918.40 : 142,280.40 = 55,455.20 : x
  2. Step 2: Convert to fraction form
    94,918.40/142,280.40 = 55,455.20/x
  3. Step 3: Cross multiply
    94,918.40x = 142,280.40 × 55,455.20
  4. Step 4: Simplify right side
    94,918.40x = 7,890,188,038.08
  5. Step 5: Solve for x
    x = 7,890,188,038.08/94,918.40
  6. Step 6: Final answer
    x = 83,126.01

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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.