Home / 132,476.02-182,815.14-72,045.36

Finding the Fourth Proportional to 132,476.02, 182,815.14 and 72,045.36

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Solution

The fourth proportional to 132,476.02, 182,815.14 and 72,045.36 is: 99,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,476.02 : 182,815.14 = 72,045.36 : x
  2. Step 2: Convert to fraction form
    132,476.02/182,815.14 = 72,045.36/x
  3. Step 3: Cross multiply
    132,476.02x = 182,815.14 × 72,045.36
  4. Step 4: Simplify right side
    132,476.02x = 13,170,982,574.75
  5. Step 5: Solve for x
    x = 13,170,982,574.75/132,476.02
  6. Step 6: Final answer
    x = 99,421.64

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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.