Home / 132,450.45-182,779.02-72,020.58

Finding the Fourth Proportional to 132,450.45, 182,779.02 and 72,020.58

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Solution

The fourth proportional to 132,450.45, 182,779.02 and 72,020.58 is: 99,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,450.45 : 182,779.02 = 72,020.58 : x
  2. Step 2: Convert to fraction form
    132,450.45/182,779.02 = 72,020.58/x
  3. Step 3: Cross multiply
    132,450.45x = 182,779.02 × 72,020.58
  4. Step 4: Simplify right side
    132,450.45x = 13,163,851,032.23
  5. Step 5: Solve for x
    x = 13,163,851,032.23/132,450.45
  6. Step 6: Final answer
    x = 99,386.99

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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.