Home / 152,686.08-210,707.33-84,704.40

Finding the Fourth Proportional to 152,686.08, 210,707.33 and 84,704.40

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Solution

The fourth proportional to 152,686.08, 210,707.33 and 84,704.40 is: 116,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,686.08 : 210,707.33 = 84,704.40 : x
  2. Step 2: Convert to fraction form
    152,686.08/210,707.33 = 84,704.40/x
  3. Step 3: Cross multiply
    152,686.08x = 210,707.33 × 84,704.40
  4. Step 4: Simplify right side
    152,686.08x = 17,847,837,539.73
  5. Step 5: Solve for x
    x = 17,847,837,539.73/152,686.08
  6. Step 6: Final answer
    x = 116,892.37

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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.