Home / 90,001.22-124,438.28-88,580.30

Finding the Fourth Proportional to 90,001.22, 124,438.28 and 88,580.30

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Solution

The fourth proportional to 90,001.22, 124,438.28 and 88,580.30 is: 122,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.22 : 124,438.28 = 88,580.30 : x
  2. Step 2: Convert to fraction form
    90,001.22/124,438.28 = 88,580.30/x
  3. Step 3: Cross multiply
    90,001.22x = 124,438.28 × 88,580.30
  4. Step 4: Simplify right side
    90,001.22x = 11,022,779,108.79
  5. Step 5: Solve for x
    x = 11,022,779,108.79/90,001.22
  6. Step 6: Final answer
    x = 122,473.67

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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.