Home / 162,005.80-242,680.65-91,803.10

Finding the Fourth Proportional to 162,005.80, 242,680.65 and 91,803.10

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Solution

The fourth proportional to 162,005.80, 242,680.65 and 91,803.10 is: 137,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,005.80 : 242,680.65 = 91,803.10 : x
  2. Step 2: Convert to fraction form
    162,005.80/242,680.65 = 91,803.10/x
  3. Step 3: Cross multiply
    162,005.80x = 242,680.65 × 91,803.10
  4. Step 4: Simplify right side
    162,005.80x = 22,278,835,980.02
  5. Step 5: Solve for x
    x = 22,278,835,980.02/162,005.80
  6. Step 6: Final answer
    x = 137,518.76

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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.