Home / 90,795.24-136,214.76-28,465.76

Finding the Fourth Proportional to 90,795.24, 136,214.76 and 28,465.76

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Solution

The fourth proportional to 90,795.24, 136,214.76 and 28,465.76 is: 42,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,795.24 : 136,214.76 = 28,465.76 : x
  2. Step 2: Convert to fraction form
    90,795.24/136,214.76 = 28,465.76/x
  3. Step 3: Cross multiply
    90,795.24x = 136,214.76 × 28,465.76
  4. Step 4: Simplify right side
    90,795.24x = 3,877,456,666.62
  5. Step 5: Solve for x
    x = 3,877,456,666.62/90,795.24
  6. Step 6: Final answer
    x = 42,705.51

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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.