Home / 124,054.59-171,122.45-78,041.06

Finding the Fourth Proportional to 124,054.59, 171,122.45 and 78,041.06

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Solution

The fourth proportional to 124,054.59, 171,122.45 and 78,041.06 is: 107,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,054.59 : 171,122.45 = 78,041.06 : x
  2. Step 2: Convert to fraction form
    124,054.59/171,122.45 = 78,041.06/x
  3. Step 3: Cross multiply
    124,054.59x = 171,122.45 × 78,041.06
  4. Step 4: Simplify right side
    124,054.59x = 13,354,577,155.09
  5. Step 5: Solve for x
    x = 13,354,577,155.09/124,054.59
  6. Step 6: Final answer
    x = 107,650.81

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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.