Home / 147,435.80-221,165.24-52,686.45

Finding the Fourth Proportional to 147,435.80, 221,165.24 and 52,686.45

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Solution

The fourth proportional to 147,435.80, 221,165.24 and 52,686.45 is: 79,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,435.80 : 221,165.24 = 52,686.45 : x
  2. Step 2: Convert to fraction form
    147,435.80/221,165.24 = 52,686.45/x
  3. Step 3: Cross multiply
    147,435.80x = 221,165.24 × 52,686.45
  4. Step 4: Simplify right side
    147,435.80x = 11,652,411,095.57
  5. Step 5: Solve for x
    x = 11,652,411,095.57/147,435.80
  6. Step 6: Final answer
    x = 79,033.80

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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.