Home / 75,192.72-112,792.14-42,123.48

Finding the Fourth Proportional to 75,192.72, 112,792.14 and 42,123.48

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Solution

The fourth proportional to 75,192.72, 112,792.14 and 42,123.48 is: 63,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,192.72 : 112,792.14 = 42,123.48 : x
  2. Step 2: Convert to fraction form
    75,192.72/112,792.14 = 42,123.48/x
  3. Step 3: Cross multiply
    75,192.72x = 112,792.14 × 42,123.48
  4. Step 4: Simplify right side
    75,192.72x = 4,751,197,453.45
  5. Step 5: Solve for x
    x = 4,751,197,453.45/75,192.72
  6. Step 6: Final answer
    x = 63,186.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.