Home / 160,303.72-221,225.70-99,910.12

Finding the Fourth Proportional to 160,303.72, 221,225.70 and 99,910.12

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Solution

The fourth proportional to 160,303.72, 221,225.70 and 99,910.12 is: 137,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,303.72 : 221,225.70 = 99,910.12 : x
  2. Step 2: Convert to fraction form
    160,303.72/221,225.70 = 99,910.12/x
  3. Step 3: Cross multiply
    160,303.72x = 221,225.70 × 99,910.12
  4. Step 4: Simplify right side
    160,303.72x = 22,102,686,234.08
  5. Step 5: Solve for x
    x = 22,102,686,234.08/160,303.72
  6. Step 6: Final answer
    x = 137,880.06

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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.