Home / 152,191.68-210,030.70-84,207.54

Finding the Fourth Proportional to 152,191.68, 210,030.70 and 84,207.54

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Solution

The fourth proportional to 152,191.68, 210,030.70 and 84,207.54 is: 116,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,191.68 : 210,030.70 = 84,207.54 : x
  2. Step 2: Convert to fraction form
    152,191.68/210,030.70 = 84,207.54/x
  3. Step 3: Cross multiply
    152,191.68x = 210,030.70 × 84,207.54
  4. Step 4: Simplify right side
    152,191.68x = 17,686,168,571.48
  5. Step 5: Solve for x
    x = 17,686,168,571.48/152,191.68
  6. Step 6: Final answer
    x = 116,209.83

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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.