Home / 124,019.12-171,146.16-67,430.36

Finding the Fourth Proportional to 124,019.12, 171,146.16 and 67,430.36

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Solution

The fourth proportional to 124,019.12, 171,146.16 and 67,430.36 is: 93,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,019.12 : 171,146.16 = 67,430.36 : x
  2. Step 2: Convert to fraction form
    124,019.12/171,146.16 = 67,430.36/x
  3. Step 3: Cross multiply
    124,019.12x = 171,146.16 × 67,430.36
  4. Step 4: Simplify right side
    124,019.12x = 11,540,447,181.42
  5. Step 5: Solve for x
    x = 11,540,447,181.42/124,019.12
  6. Step 6: Final answer
    x = 93,053.77

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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.