Home / 132,428.04-182,779.20-81,484.08

Finding the Fourth Proportional to 132,428.04, 182,779.20 and 81,484.08

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Solution

The fourth proportional to 132,428.04, 182,779.20 and 81,484.08 is: 112,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,428.04 : 182,779.20 = 81,484.08 : x
  2. Step 2: Convert to fraction form
    132,428.04/182,779.20 = 81,484.08/x
  3. Step 3: Cross multiply
    132,428.04x = 182,779.20 × 81,484.08
  4. Step 4: Simplify right side
    132,428.04x = 14,893,594,955.14
  5. Step 5: Solve for x
    x = 14,893,594,955.14/132,428.04
  6. Step 6: Final answer
    x = 112,465.57

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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.