Home / 160,014.07-220,820.15-87,418.00

Finding the Fourth Proportional to 160,014.07, 220,820.15 and 87,418.00

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Solution

The fourth proportional to 160,014.07, 220,820.15 and 87,418.00 is: 120,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,014.07 : 220,820.15 = 87,418.00 : x
  2. Step 2: Convert to fraction form
    160,014.07/220,820.15 = 87,418.00/x
  3. Step 3: Cross multiply
    160,014.07x = 220,820.15 × 87,418.00
  4. Step 4: Simplify right side
    160,014.07x = 19,303,654,331.51
  5. Step 5: Solve for x
    x = 19,303,654,331.51/160,014.07
  6. Step 6: Final answer
    x = 120,637.23

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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.