Home / 162,780.68-224,715.12-108,423.26

Finding the Fourth Proportional to 162,780.68, 224,715.12 and 108,423.26

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Solution

The fourth proportional to 162,780.68, 224,715.12 and 108,423.26 is: 149,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,780.68 : 224,715.12 = 108,423.26 : x
  2. Step 2: Convert to fraction form
    162,780.68/224,715.12 = 108,423.26/x
  3. Step 3: Cross multiply
    162,780.68x = 224,715.12 × 108,423.26
  4. Step 4: Simplify right side
    162,780.68x = 24,364,345,881.69
  5. Step 5: Solve for x
    x = 24,364,345,881.69/162,780.68
  6. Step 6: Final answer
    x = 149,675.91

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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.