Home / 157,624.20-236,465.10-64,139.40

Finding the Fourth Proportional to 157,624.20, 236,465.10 and 64,139.40

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Solution

The fourth proportional to 157,624.20, 236,465.10 and 64,139.40 is: 96,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,624.20 : 236,465.10 = 64,139.40 : x
  2. Step 2: Convert to fraction form
    157,624.20/236,465.10 = 64,139.40/x
  3. Step 3: Cross multiply
    157,624.20x = 236,465.10 × 64,139.40
  4. Step 4: Simplify right side
    157,624.20x = 15,166,729,634.94
  5. Step 5: Solve for x
    x = 15,166,729,634.94/157,624.20
  6. Step 6: Final answer
    x = 96,220.82

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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.