Home / 152,104.12-209,895.41-84,117.13

Finding the Fourth Proportional to 152,104.12, 209,895.41 and 84,117.13

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Solution

The fourth proportional to 152,104.12, 209,895.41 and 84,117.13 is: 116,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,104.12 : 209,895.41 = 84,117.13 : x
  2. Step 2: Convert to fraction form
    152,104.12/209,895.41 = 84,117.13/x
  3. Step 3: Cross multiply
    152,104.12x = 209,895.41 × 84,117.13
  4. Step 4: Simplify right side
    152,104.12x = 17,655,799,174.93
  5. Step 5: Solve for x
    x = 17,655,799,174.93/152,104.12
  6. Step 6: Final answer
    x = 116,077.06

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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.