Home / 102,618.78-141,637.52-60,190.98

Finding the Fourth Proportional to 102,618.78, 141,637.52 and 60,190.98

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Solution

The fourth proportional to 102,618.78, 141,637.52 and 60,190.98 is: 83,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,618.78 : 141,637.52 = 60,190.98 : x
  2. Step 2: Convert to fraction form
    102,618.78/141,637.52 = 60,190.98/x
  3. Step 3: Cross multiply
    102,618.78x = 141,637.52 × 60,190.98
  4. Step 4: Simplify right side
    102,618.78x = 8,525,301,133.57
  5. Step 5: Solve for x
    x = 8,525,301,133.57/102,618.78
  6. Step 6: Final answer
    x = 83,077.40

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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.