Home / 162,780.79-224,632.24-90,180.69

Finding the Fourth Proportional to 162,780.79, 224,632.24 and 90,180.69

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Solution

The fourth proportional to 162,780.79, 224,632.24 and 90,180.69 is: 124,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,780.79 : 224,632.24 = 90,180.69 : x
  2. Step 2: Convert to fraction form
    162,780.79/224,632.24 = 90,180.69/x
  3. Step 3: Cross multiply
    162,780.79x = 224,632.24 × 90,180.69
  4. Step 4: Simplify right side
    162,780.79x = 20,257,490,595.18
  5. Step 5: Solve for x
    x = 20,257,490,595.18/162,780.79
  6. Step 6: Final answer
    x = 124,446.45

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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.