Home / 124,779.71-172,196.07-68,191.08

Finding the Fourth Proportional to 124,779.71, 172,196.07 and 68,191.08

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Solution

The fourth proportional to 124,779.71, 172,196.07 and 68,191.08 is: 94,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,779.71 : 172,196.07 = 68,191.08 : x
  2. Step 2: Convert to fraction form
    124,779.71/172,196.07 = 68,191.08/x
  3. Step 3: Cross multiply
    124,779.71x = 172,196.07 × 68,191.08
  4. Step 4: Simplify right side
    124,779.71x = 11,742,235,644.10
  5. Step 5: Solve for x
    x = 11,742,235,644.10/124,779.71
  6. Step 6: Final answer
    x = 94,103.73

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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.