Home / 125,077.74-172,607.32-67,717.05

Finding the Fourth Proportional to 125,077.74, 172,607.32 and 67,717.05

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Solution

The fourth proportional to 125,077.74, 172,607.32 and 67,717.05 is: 93,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,077.74 : 172,607.32 = 67,717.05 : x
  2. Step 2: Convert to fraction form
    125,077.74/172,607.32 = 67,717.05/x
  3. Step 3: Cross multiply
    125,077.74x = 172,607.32 × 67,717.05
  4. Step 4: Simplify right side
    125,077.74x = 11,688,458,349.51
  5. Step 5: Solve for x
    x = 11,688,458,349.51/125,077.74
  6. Step 6: Final answer
    x = 93,449.55

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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.