Home / 156,637.43-216,108.20-88,647.65

Finding the Fourth Proportional to 156,637.43, 216,108.20 and 88,647.65

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Solution

The fourth proportional to 156,637.43, 216,108.20 and 88,647.65 is: 122,304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,637.43 : 216,108.20 = 88,647.65 : x
  2. Step 2: Convert to fraction form
    156,637.43/216,108.20 = 88,647.65/x
  3. Step 3: Cross multiply
    156,637.43x = 216,108.20 × 88,647.65
  4. Step 4: Simplify right side
    156,637.43x = 19,157,484,075.73
  5. Step 5: Solve for x
    x = 19,157,484,075.73/156,637.43
  6. Step 6: Final answer
    x = 122,304.64

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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.