Home / 90,267.03-124,529.25-54,437.13

Finding the Fourth Proportional to 90,267.03, 124,529.25 and 54,437.13

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Solution

The fourth proportional to 90,267.03, 124,529.25 and 54,437.13 is: 75,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,267.03 : 124,529.25 = 54,437.13 : x
  2. Step 2: Convert to fraction form
    90,267.03/124,529.25 = 54,437.13/x
  3. Step 3: Cross multiply
    90,267.03x = 124,529.25 × 54,437.13
  4. Step 4: Simplify right side
    90,267.03x = 6,779,014,971.05
  5. Step 5: Solve for x
    x = 6,779,014,971.05/90,267.03
  6. Step 6: Final answer
    x = 75,099.57

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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.