Home / 162,173.12-242,920.68-130,411.40

Finding the Fourth Proportional to 162,173.12, 242,920.68 and 130,411.40

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Solution

The fourth proportional to 162,173.12, 242,920.68 and 130,411.40 is: 195,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,173.12 : 242,920.68 = 130,411.40 : x
  2. Step 2: Convert to fraction form
    162,173.12/242,920.68 = 130,411.40/x
  3. Step 3: Cross multiply
    162,173.12x = 242,920.68 × 130,411.40
  4. Step 4: Simplify right side
    162,173.12x = 31,679,625,967.75
  5. Step 5: Solve for x
    x = 31,679,625,967.75/162,173.12
  6. Step 6: Final answer
    x = 195,344.49

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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.