Home / 162,330.58-242,307.13-143,156.21

Finding the Fourth Proportional to 162,330.58, 242,307.13 and 143,156.21

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Solution

The fourth proportional to 162,330.58, 242,307.13 and 143,156.21 is: 213,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,330.58 : 242,307.13 = 143,156.21 : x
  2. Step 2: Convert to fraction form
    162,330.58/242,307.13 = 143,156.21/x
  3. Step 3: Cross multiply
    162,330.58x = 242,307.13 × 143,156.21
  4. Step 4: Simplify right side
    162,330.58x = 34,687,770,448.75
  5. Step 5: Solve for x
    x = 34,687,770,448.75/162,330.58
  6. Step 6: Final answer
    x = 213,685.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.