Home / 134,875.10-186,113.22-77,502.80

Finding the Fourth Proportional to 134,875.10, 186,113.22 and 77,502.80

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Solution

The fourth proportional to 134,875.10, 186,113.22 and 77,502.80 is: 106,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,875.10 : 186,113.22 = 77,502.80 : x
  2. Step 2: Convert to fraction form
    134,875.10/186,113.22 = 77,502.80/x
  3. Step 3: Cross multiply
    134,875.10x = 186,113.22 × 77,502.80
  4. Step 4: Simplify right side
    134,875.10x = 14,424,295,667.02
  5. Step 5: Solve for x
    x = 14,424,295,667.02/134,875.10
  6. Step 6: Final answer
    x = 106,945.58

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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.