Home / 90,177.42-124,484.70-53,891.67

Finding the Fourth Proportional to 90,177.42, 124,484.70 and 53,891.67

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Solution

The fourth proportional to 90,177.42, 124,484.70 and 53,891.67 is: 74,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,177.42 : 124,484.70 = 53,891.67 : x
  2. Step 2: Convert to fraction form
    90,177.42/124,484.70 = 53,891.67/x
  3. Step 3: Cross multiply
    90,177.42x = 124,484.70 × 53,891.67
  4. Step 4: Simplify right side
    90,177.42x = 6,708,688,102.99
  5. Step 5: Solve for x
    x = 6,708,688,102.99/90,177.42
  6. Step 6: Final answer
    x = 74,394.32

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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.