Home / 124,018.86-171,148.24-67,430.64

Finding the Fourth Proportional to 124,018.86, 171,148.24 and 67,430.64

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Solution

The fourth proportional to 124,018.86, 171,148.24 and 67,430.64 is: 93,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,018.86 : 171,148.24 = 67,430.64 : x
  2. Step 2: Convert to fraction form
    124,018.86/171,148.24 = 67,430.64/x
  3. Step 3: Cross multiply
    124,018.86x = 171,148.24 × 67,430.64
  4. Step 4: Simplify right side
    124,018.86x = 11,540,635,358.07
  5. Step 5: Solve for x
    x = 11,540,635,358.07/124,018.86
  6. Step 6: Final answer
    x = 93,055.49

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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.