Home / 152,177.66-210,072.42-90,945.45

Finding the Fourth Proportional to 152,177.66, 210,072.42 and 90,945.45

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Solution

The fourth proportional to 152,177.66, 210,072.42 and 90,945.45 is: 125,544.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,177.66 : 210,072.42 = 90,945.45 : x
  2. Step 2: Convert to fraction form
    152,177.66/210,072.42 = 90,945.45/x
  3. Step 3: Cross multiply
    152,177.66x = 210,072.42 × 90,945.45
  4. Step 4: Simplify right side
    152,177.66x = 19,105,130,769.49
  5. Step 5: Solve for x
    x = 19,105,130,769.49/152,177.66
  6. Step 6: Final answer
    x = 125,544.92

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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.