Home / 90,260.22-124,561.50-49,977.51

Finding the Fourth Proportional to 90,260.22, 124,561.50 and 49,977.51

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Solution

The fourth proportional to 90,260.22, 124,561.50 and 49,977.51 is: 68,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,260.22 : 124,561.50 = 49,977.51 : x
  2. Step 2: Convert to fraction form
    90,260.22/124,561.50 = 49,977.51/x
  3. Step 3: Cross multiply
    90,260.22x = 124,561.50 × 49,977.51
  4. Step 4: Simplify right side
    90,260.22x = 6,225,272,957.34
  5. Step 5: Solve for x
    x = 6,225,272,957.34/90,260.22
  6. Step 6: Final answer
    x = 68,970.28

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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.