Home / 124,000.07-171,121.31-67,412.66

Finding the Fourth Proportional to 124,000.07, 171,121.31 and 67,412.66

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Solution

The fourth proportional to 124,000.07, 171,121.31 and 67,412.66 is: 93,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,000.07 : 171,121.31 = 67,412.66 : x
  2. Step 2: Convert to fraction form
    124,000.07/171,121.31 = 67,412.66/x
  3. Step 3: Cross multiply
    124,000.07x = 171,121.31 × 67,412.66
  4. Step 4: Simplify right side
    124,000.07x = 11,535,742,352.72
  5. Step 5: Solve for x
    x = 11,535,742,352.72/124,000.07
  6. Step 6: Final answer
    x = 93,030.13

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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.