Home / 90,437.50-124,804.07-50,154.98

Finding the Fourth Proportional to 90,437.50, 124,804.07 and 50,154.98

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Solution

The fourth proportional to 90,437.50, 124,804.07 and 50,154.98 is: 69,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,437.50 : 124,804.07 = 50,154.98 : x
  2. Step 2: Convert to fraction form
    90,437.50/124,804.07 = 50,154.98/x
  3. Step 3: Cross multiply
    90,437.50x = 124,804.07 × 50,154.98
  4. Step 4: Simplify right side
    90,437.50x = 6,259,545,383.99
  5. Step 5: Solve for x
    x = 6,259,545,383.99/90,437.50
  6. Step 6: Final answer
    x = 69,214.05

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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.