Home / 162,421.80-243,632.70-57,251.40

Finding the Fourth Proportional to 162,421.80, 243,632.70 and 57,251.40

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Solution

The fourth proportional to 162,421.80, 243,632.70 and 57,251.40 is: 85,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,421.80 : 243,632.70 = 57,251.40 : x
  2. Step 2: Convert to fraction form
    162,421.80/243,632.70 = 57,251.40/x
  3. Step 3: Cross multiply
    162,421.80x = 243,632.70 × 57,251.40
  4. Step 4: Simplify right side
    162,421.80x = 13,948,313,160.78
  5. Step 5: Solve for x
    x = 13,948,313,160.78/162,421.80
  6. Step 6: Final answer
    x = 85,877.10

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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.