Home / 162,785.65-224,633.51-91,149.25

Finding the Fourth Proportional to 162,785.65, 224,633.51 and 91,149.25

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Solution

The fourth proportional to 162,785.65, 224,633.51 and 91,149.25 is: 125,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,785.65 : 224,633.51 = 91,149.25 : x
  2. Step 2: Convert to fraction form
    162,785.65/224,633.51 = 91,149.25/x
  3. Step 3: Cross multiply
    162,785.65x = 224,633.51 × 91,149.25
  4. Step 4: Simplify right side
    162,785.65x = 20,475,175,505.62
  5. Step 5: Solve for x
    x = 20,475,175,505.62/162,785.65
  6. Step 6: Final answer
    x = 125,779.98

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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.