Home / 101,779.26-140,459.88-56,454.24

Finding the Fourth Proportional to 101,779.26, 140,459.88 and 56,454.24

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Solution

The fourth proportional to 101,779.26, 140,459.88 and 56,454.24 is: 77,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,779.26 : 140,459.88 = 56,454.24 : x
  2. Step 2: Convert to fraction form
    101,779.26/140,459.88 = 56,454.24/x
  3. Step 3: Cross multiply
    101,779.26x = 140,459.88 × 56,454.24
  4. Step 4: Simplify right side
    101,779.26x = 7,929,555,775.89
  5. Step 5: Solve for x
    x = 7,929,555,775.89/101,779.26
  6. Step 6: Final answer
    x = 77,909.35

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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.