Home / 146,714.80-220,145.10-57,971.20

Finding the Fourth Proportional to 146,714.80, 220,145.10 and 57,971.20

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Solution

The fourth proportional to 146,714.80, 220,145.10 and 57,971.20 is: 86,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,714.80 : 220,145.10 = 57,971.20 : x
  2. Step 2: Convert to fraction form
    146,714.80/220,145.10 = 57,971.20/x
  3. Step 3: Cross multiply
    146,714.80x = 220,145.10 × 57,971.20
  4. Step 4: Simplify right side
    146,714.80x = 12,762,075,621.12
  5. Step 5: Solve for x
    x = 12,762,075,621.12/146,714.80
  6. Step 6: Final answer
    x = 86,985.60

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1.5x scale

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.