Home / 147,584.78-221,355.10-40,957.50

Finding the Fourth Proportional to 147,584.78, 221,355.10 and 40,957.50

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Solution

The fourth proportional to 147,584.78, 221,355.10 and 40,957.50 is: 61,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,584.78 : 221,355.10 = 40,957.50 : x
  2. Step 2: Convert to fraction form
    147,584.78/221,355.10 = 40,957.50/x
  3. Step 3: Cross multiply
    147,584.78x = 221,355.10 × 40,957.50
  4. Step 4: Simplify right side
    147,584.78x = 9,066,151,259.60
  5. Step 5: Solve for x
    x = 9,066,151,259.60/147,584.78
  6. Step 6: Final answer
    x = 61,430.12

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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.