Home / 159,619.02-220,267.47-87,020.34

Finding the Fourth Proportional to 159,619.02, 220,267.47 and 87,020.34

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Solution

The fourth proportional to 159,619.02, 220,267.47 and 87,020.34 is: 120,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,619.02 : 220,267.47 = 87,020.34 : x
  2. Step 2: Convert to fraction form
    159,619.02/220,267.47 = 87,020.34/x
  3. Step 3: Cross multiply
    159,619.02x = 220,267.47 × 87,020.34
  4. Step 4: Simplify right side
    159,619.02x = 19,167,750,130.34
  5. Step 5: Solve for x
    x = 19,167,750,130.34/159,619.02
  6. Step 6: Final answer
    x = 120,084.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.