Home / 125,063.36-172,587.48-68,478.32

Finding the Fourth Proportional to 125,063.36, 172,587.48 and 68,478.32

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Solution

The fourth proportional to 125,063.36, 172,587.48 and 68,478.32 is: 94,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,063.36 : 172,587.48 = 68,478.32 : x
  2. Step 2: Convert to fraction form
    125,063.36/172,587.48 = 68,478.32/x
  3. Step 3: Cross multiply
    125,063.36x = 172,587.48 × 68,478.32
  4. Step 4: Simplify right side
    125,063.36x = 11,818,500,683.43
  5. Step 5: Solve for x
    x = 11,818,500,683.43/125,063.36
  6. Step 6: Final answer
    x = 94,500.11

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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.