Home / 90,104.09-124,200.49-70,953.48

Finding the Fourth Proportional to 90,104.09, 124,200.49 and 70,953.48

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Solution

The fourth proportional to 90,104.09, 124,200.49 and 70,953.48 is: 97,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,104.09 : 124,200.49 = 70,953.48 : x
  2. Step 2: Convert to fraction form
    90,104.09/124,200.49 = 70,953.48/x
  3. Step 3: Cross multiply
    90,104.09x = 124,200.49 × 70,953.48
  4. Step 4: Simplify right side
    90,104.09x = 8,812,456,983.21
  5. Step 5: Solve for x
    x = 8,812,456,983.21/90,104.09
  6. Step 6: Final answer
    x = 97,803.07

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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.