Home / 158,779.58-219,430.76-130,053.74

Finding the Fourth Proportional to 158,779.58, 219,430.76 and 130,053.74

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Solution

The fourth proportional to 158,779.58, 219,430.76 and 130,053.74 is: 179,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,779.58 : 219,430.76 = 130,053.74 : x
  2. Step 2: Convert to fraction form
    158,779.58/219,430.76 = 130,053.74/x
  3. Step 3: Cross multiply
    158,779.58x = 219,430.76 × 130,053.74
  4. Step 4: Simplify right side
    158,779.58x = 28,537,789,261.62
  5. Step 5: Solve for x
    x = 28,537,789,261.62/158,779.58
  6. Step 6: Final answer
    x = 179,732.12

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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.